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
Keywords
Links
- Artur Jasinski, Table of n, a(n) for n = 1..30
Crossrefs
Cf. A126031.
Programs
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Mathematica
NestList[NextPrime[12#,-1]&,2,20] (* Harvey P. Dale, Oct 02 2011 *)