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Search: id:A076189
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A076189 Numbers n such n!!+2^4 is prime. +0
10
1, 3, 5, 13, 17, 25, 27, 39, 45, 47, 53, 177, 217, 401, 637, 729, 787, 843, 3407, 8835 (list; graph; listen)
OFFSET

1,2

LINKS

The OpenPFGW Project, Primality Tester

Henri & Renaud Lifchitz, PRP Records.

CROSSREFS

Cf. A006882, A080778 and A076185, A076186, A076188, A076190, A076193,

A076194, A076195, A076196, A076197 for other values of s in n!!+2^s

Sequence in context: A105900 A094745 A072742 this_sequence A073654 A060192 A065311

Adjacent sequences: A076186 A076187 A076188 this_sequence A076190 A076191 A076192

KEYWORD

nonn,more

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Nov 02 2002

EXTENSIONS

Edited and extended (n<4096) by Hugo Pfoertner (hugo(AT)pfoertner.org), Jun 19 2003

8835 from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 03 2008

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Last modified December 3 14:12 EST 2008. Contains 151279 sequences.


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