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A063992 Numbers that are not factorials. 3
3, 4, 5, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The old entry with this sequence number was a duplicate of A002636.

A012245(a(n)) = 0. [From Reinhard Zumkeller, Oct 11 2008]

LINKS

Harry J. Smith, Table of n, a(n) for n=1,...,1000

PROG

(PARI) { n=0; f=2; for (m=3, 10^9, g=f; f*=m; for (a=g + 1, f - 1, write("b063992.txt", n++, " ", a); if (n==1000, break)); if (n==1000, break) ) } [From Harry J. Smith, Sep 05 2009]

CROSSREFS

Complement of A000142.

Sequence in context: A253570 A055495 A072442 * A171520 A039233 A296095

Adjacent sequences:  A063989 A063990 A063991 * A063993 A063994 A063995

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Oct 11 2008

STATUS

approved

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Last modified February 20 04:39 EST 2018. Contains 299358 sequences. (Running on oeis4.)