A105004 Primes from merging of 8 successive digits in decimal expansion of exp(2).

38905609, 70551847, 22522573, 52257379, 91217947, 78392213, 33980777, 89560741, 54141467, 92812933, 33010193, 51532081, 84694793, 94793029, 47930299, 13558771, 14456831, 56831239, 83123923, 98712281, 87122813

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

The first 5,000 digits of exp(2) as calculated by Simon Plouffe at WorldWideSchool.org.

Eric Weisstein, Exponential Functions

Mathematica

 Select[FromDigits/@Partition[RealDigits[Exp[2], 10, 800][[1]], 8, 1], #>9999999&&PrimeQ[#]&] (* Vincenzo Librandi, Apr 26 2013 *)

Crossrefs

Sequence in context: A342350 A015365 A272599 * A216006 A330363 A233754

Adjacent sequences: A105001 A105002 A105003 * A105005 A105006 A105007

Keyword

nonn,base

Author

Andrew G. West (WestA(AT)wlu.edu), Mar 31 2005

Extensions

Changed offset from 0 to 1 by Vincenzo Librandi, Apr 26 2013

Status

approved