A105007 Primes from merging of 2 successive digits in decimal expansion of exp(Pi).

23, 31, 79, 29, 67, 79, 47, 73, 61, 11, 19, 43, 23, 83, 97, 71, 19, 97, 67, 19, 67, 59, 73, 31, 41, 83, 47, 71, 17, 79, 53, 79, 23, 89, 13, 37, 41, 17, 41, 83, 47, 43, 59, 43, 67, 41, 13, 67, 71, 31, 19, 41, 47, 11, 37, 73, 31, 47, 47, 73, 53, 83, 31, 29, 47, 89, 19, 43, 73

Offset

1,1

Links

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

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

Eric Weisstein, Exponential Functions

Mathematica

Select[FromDigits /@ Partition[RealDigits[Exp[Pi], 10, 500][[1]], 2, 1], # > 9 && PrimeQ[#] &] (* Vincenzo Librandi, Apr 26 2013 *)

Crossrefs

Cf. A039661.

Sequence in context: A093014 A165450 A155074 * A243438 A154291 A109559

Adjacent sequences: A105004 A105005 A105006 * A105008 A105009 A105010

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