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A056596 Number of nonsquare divisors of n!. 0
0, 1, 3, 6, 14, 24, 54, 88, 148, 240, 510, 756, 1548, 2520, 3936, 5248, 10624, 14508, 29196, 40740, 60500, 95400, 191400, 242016, 338880, 529920, 674688, 912912, 1830192, 2327424, 4660224, 5523456, 7858176, 12152064, 16406592, 19576080 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..36.

FORMULA

a(n)=d(n!)-A046951(n!)

CROSSREFS

A000142, A000005, A046951, A055772.

Sequence in context: A075189 A200823 A093866 * A026341 A026271 A166212

Adjacent sequences:  A056593 A056594 A056595 * A056597 A056598 A056599

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Jul 21 2000

STATUS

approved

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Last modified May 18 21:01 EDT 2013. Contains 225428 sequences.