A126036 a(n) is the largest prime < 8*a(n-1) for n > 1, with a(1) = 2.

2, 13, 103, 823, 6581, 52639, 421103, 3368809, 26950453, 215603623, 1724828887, 13798631089, 110389048703, 883112389613, 7064899116901, 56519192935207, 452153543481457, 3617228347851583, 28937826782812601, 231502614262500793, 1852020914100006319, 14816167312800050537

Offset

1,1

Links

Artur Jasinski, Table of n, a(n) for n = 1..40

Mathematica

Nest[Append[#, NextPrime[8Last[#], -1]]&, {2}, 21] (* James C. McMahon, Dec 31 2024 *)

Crossrefs

Cf. A126031.

Sequence in context: A046891 A046893 A354159 * A113598 A125589 A007809

Adjacent sequences: A126033 A126034 A126035 * A126037 A126038 A126039

Keyword

nonn

Author

Artur Jasinski, Dec 16 2006

Status

approved