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A105005 Primes from merging of 9 successive digits in decimal expansion of exp(2). 2
315570551, 782252257, 773753161, 123884603, 447839221, 213398077, 122895607, 581820269, 552348757, 146799281, 751532081, 913558771, 258833999, 987122813, 263792951, 295182227, 784294843, 135287693, 876938669, 938669857, 996014807 (list; graph; refs; listen; history; text; internal format)
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, 900][[1]], 9, 1], #>99999999&&PrimeQ[#]&] (* Vincenzo Librandi, Apr 26 2013 *)

CROSSREFS

Sequence in context: A189055 A221985 A219784 * A157789 A331445 A331446

Adjacent sequences:  A105002 A105003 A105004 * A105006 A105007 A105008

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

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Last modified July 2 21:48 EDT 2022. Contains 355029 sequences. (Running on oeis4.)