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Search: id:A049420
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A049420 Numbers n such that (n!/n#)+1 is prime, where n# = primorial numbers A034386. +0
4
4, 8, 14, 20, 26, 34, 56, 104, 153, 182, 194, 217, 230, 280, 462, 529, 1445, 2515, 3692 (list; graph; listen)
OFFSET

1,1

COMMENT

Note that n!/n# is known as n compositorial.

LINKS

Chris Caldwell, Compositorial

CROSSREFS

Sequence in context: A022804 A067699 A066941 this_sequence A055507 A121896 A131937

Adjacent sequences: A049417 A049418 A049419 this_sequence A049421 A049422 A049423

KEYWORD

nonn

AUTHOR

Paul Jobling (paul.jobling(AT)whitecross.com)

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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