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A126701 Number of primes <= !n, where !n is subfactorial n. +0
3
0, 0, 1, 4, 14, 56, 283, 1738, 12457, 102492, 951651, 9830851, 111757480, 1385739200, 18604785172, 268807211509 (list; graph; listen)
OFFSET

1,4

EXAMPLE

a(5)=14,because !5=44 and no. of primes upto 44 are 14.

CROSSREFS

Cf. A000166.

Sequence in context: A132837 A073155 A006212 this_sequence A002735 A026652 A134826

Adjacent sequences: A126698 A126699 A126700 this_sequence A126702 A126703 A126704

KEYWORD

hard,nonn

AUTHOR

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Feb 11 2007

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Last modified September 6 09:40 EDT 2008. Contains 143480 sequences.


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