

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
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OFFSET

1,1


COMMENTS

The old entry with this sequence number was a duplicate of A002636.
A012245(a(n)) = 0.  Reinhard Zumkeller, Oct 11 2008


LINKS

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


MATHEMATICA

With[{nn=5}, Complement[Range[nn!], Range[nn]!]] (* Harvey P. Dale, May 05 2019 *)


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) ) } \\ Harry J. Smith, Sep 05 2009


CROSSREFS

Complement of A000142.
Sequence in context: A253570 A055495 A072442 * A324540 A171520 A039233
Adjacent sequences: A063989 A063990 A063991 * A063993 A063994 A063995


KEYWORD

nonn


AUTHOR

N. J. A. Sloane, Oct 11 2008


STATUS

approved



