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A078156 A078153(n!) 4
0, 0, 0, 0, 46, 702, 7479, 97902, 1231886, 15977798, 208298944, 3085485116, 45879947392, 749485746579, 12963973882204, 236404256556347, 4415737043058504, 88721524940832020, 1830113429944169943, 40228564066847381090, 921832573196324390682 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..21.

FORMULA

a(n) = A078153(n!) = A078162(n) - A062569(n)

MATHEMATICA

Table[Length[Union[Table[Floor[w!/j], {j, 1, w!}]]] -DivisorSigma[1, w! ], {w, 1, 9}]

CROSSREFS

Cf. A078152, A078153, A078154, A078155, A078156, A078157, A078158.

Sequence in context: A224053 A224306 A224370 * A066405 A113922 A160067

Adjacent sequences:  A078153 A078154 A078155 * A078157 A078158 A078159

KEYWORD

nonn

AUTHOR

Labos Elemer, Nov 27 2002

EXTENSIONS

Terms a(10) onward from Max Alekseyev, Feb 12 2012

STATUS

approved

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Last modified August 9 18:32 EDT 2020. Contains 336326 sequences. (Running on oeis4.)