A095935 First prime of length n encountered in the decimal representation of e.

2, 71, 271, 4523, 74713, 904523, 2718281, 72407663, 360287471, 7427466391, 75724709369, 749669676277, 8284590452353, 99959574966967, 724709369995957, 2470936999595749, 28459045235360287, 571382178525166427

Offset

1,1

Links

Table of n, a(n) for n=1..18.

Mathematica

f[n_] := Select[FromDigits /@ Partition[ First[ RealDigits[E, 10, 1000]], n, 1], PrimeQ, 1][[1]]; Array[f, 20] (* Robert G. Wilson v, Nov 14 2011 *)

Crossrefs

Cf. A007512.

Sequence in context: A141908 A234298 A157368 * A202813 A081368 A221959

Adjacent sequences: A095932 A095933 A095934 * A095936 A095937 A095938

Keyword

base,nonn

Author

Mark Cooke (rm_cooke(AT)yahoo.com), Jul 12 2004

Status

approved