A126040 a(n) is the largest prime < 12*a(n-1) for n > 1, with a(1) = 2.

2, 23, 271, 3251, 38993, 467903, 5614831, 67377943, 808535311, 9702423659, 116429083879, 1397149006493, 16765788077893, 201189456934709, 2414273483216333, 28971281798595971, 347655381583151639, 4171864578997819661, 50062374947973835871, 600748499375686030387, 7208981992508232364591

Offset

1,1

Links

Artur Jasinski, Table of n, a(n) for n = 1..30

Mathematica

NestList[NextPrime[12#, -1]&, 2, 20] (* Harvey P. Dale, Oct 02 2011 *)

Crossrefs

Cf. A126031.

Sequence in context: A083470 A064110 A176936 * A354419 A367677 A294161

Adjacent sequences: A126037 A126038 A126039 * A126041 A126042 A126043

Keyword

nonn

Author

Artur Jasinski, Dec 16 2006

Status

approved