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A109757 Numbers n such that (10's complement factorial of n) + 1 is semiprime. +0
1
1, 3, 6, 14, 20, 21, 26, 34, 37, 39, 40, 47 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Cf. A110396, A109616.

Adjacent sequences: A109754 A109755 A109756 this_sequence A109758 A109759 A109760

Sequence in context: A097633 A083356 A096337 this_sequence A075189 A093866 A056596

KEYWORD

more,nonn

AUTHOR

Jason Earls (jcearls(AT)cableone.net), Aug 12 2005

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Last modified May 11 10:28 EDT 2008. Contains 139662 sequences.

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