A104844 - OEIS

A104844

Primes from merging of 3 successive digits in decimal expansion of e.

271, 281, 523, 353, 977, 757, 709, 967, 277, 353, 547, 457, 571, 821, 251, 919, 193, 599, 181, 359, 563, 307, 349, 907, 233, 829, 251, 101, 157, 383, 307, 149, 499, 167, 509, 761, 853, 107, 907, 449, 499, 761, 613, 331, 313, 449, 673, 113, 709, 709, 127

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OFFSET

1,1

COMMENTS

Leading zeros are not permitted, so each term is 3 digits in length. - Harvey P. Dale, Oct 23 2011

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..3000

MATHEMATICA

With[{len=3}, FromDigits/@Select[Partition[RealDigits[E, 10, 1000][[1]], len, 1], PrimeQ[FromDigits[#]]&&IntegerLength[FromDigits[#]]==len&]] (* Harvey P. Dale, Oct 23 2011 *)

CROSSREFS

Cf. A104843-A104862.

Sequence in context: A289136 A317476 A290643 * A086003 A174402 A048295

Adjacent sequences: A104841 A104842 A104843 * A104845 A104846 A104847

KEYWORD

nonn,base

AUTHOR

Andrew G. West (WestA(AT)wlu.edu), Mar 27 2005

EXTENSIONS

Offset changed from 0 to 1 by Vincenzo Librandi, Apr 21 2013

STATUS

approved