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A104998 Primes from merging of 2 successive digits in decimal expansion of exp(2). 2
73, 89, 89, 23, 13, 31, 31, 47, 73, 71, 73, 37, 79, 79, 43, 31, 79, 17, 79, 47, 73, 37, 53, 31, 61, 47, 61, 23, 73, 37, 47, 83, 13, 89, 41, 53, 37, 23, 13, 47, 47, 23, 41, 41, 67, 79, 29, 31, 19, 37, 89, 97, 29, 53, 53, 23, 47, 79, 29, 13, 71, 83, 31, 23, 23, 83, 61, 67, 89 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harvey P. Dale and Vincenzo Librandi, Table of n, a(n) for n = 1..10000

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, 1000][[1]], 2, 1], #>9 && PrimeQ[#]&] (* Harvey P. Dale, Nov 03 2012 *)

CROSSREFS

Sequence in context: A217237 A075588 A039483 * A033247 A014754 A007766

Adjacent sequences:  A104995 A104996 A104997 * A104999 A105000 A105001

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 28 2013

STATUS

approved

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Last modified October 31 08:46 EDT 2020. Contains 338101 sequences. (Running on oeis4.)