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A092947 Group the natural numbers so that the n-th group contains n numbers whose sum as well as the group product +1 is prime. Sequence contains the primes arising as the product of the terms of groups +1. +0
4
3, 5, 181, 2521, 552553, 39070081, 4180176001, 1483048828801, 672375473078401, 106890247271808001, 40812700642879334401, 37716399337002946560001, 18266163370859189769984001, 9553876078552184850831360001 (list; graph; listen)
OFFSET

1,1

COMMENT

See A092944 for additional clarification of definition.

CROSSREFS

Cf. A092944, A092945, A092946.

Sequence in context: A087307 A038535 A090953 this_sequence A104996 A012817 A087367

Adjacent sequences: A092944 A092945 A092946 this_sequence A092948 A092949 A092950

KEYWORD

nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 23 2004

EXTENSIONS

Edited, corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), May 07 2008

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.


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