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Primes from merging of 7 successive digits in decimal expansion of exp(Pi).
1

%I #13 Apr 28 2013 01:55:07

%S 9005729,7290863,5046409,5243423,3516971,6759527,7965863,6924223,

%T 1013741,3868477,8477243,1128763,8763773,4789193,3655727,9168487,

%U 2645479,5479013,7924229,7995653,5381423,8142353,9580729,1691939

%N Primes from merging of 7 successive digits in decimal expansion of exp(Pi).

%H Vincenzo Librandi, <a href="/A105012/b105012.txt">Table of n, a(n) for n = 1..1000</a>

%H The first <a href="http://www.worldwideschool.org/library/books/sci/math/MiscellaneousMathematicalConstants/chap28.html">5,000 digits of exp(PI)</a> as calculated by _Simon Plouffe_ at WorldWideSchool.org.

%H Eric Weisstein, <a href="http://mathworld.wolfram.com/ExponentialFunction.html">Exponential Functions </a>

%t Select[FromDigits /@ Partition[RealDigits[Exp[Pi], 10, 500][[1]], 7, 1], # > 999999 && PrimeQ[#] &] (* _Vincenzo Librandi_, Apr 27 2013 *)

%Y Cf. A039661.

%K nonn,base

%O 1,1

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

%E Changed offset from 0 to 1 by _Vincenzo Librandi_, Apr 27 2013