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A076934 Smallest integer of the form n/k!. 12
1, 1, 3, 2, 5, 1, 7, 4, 9, 5, 11, 2, 13, 7, 15, 8, 17, 3, 19, 10, 21, 11, 23, 1, 25, 13, 27, 14, 29, 5, 31, 16, 33, 17, 35, 6, 37, 19, 39, 20, 41, 7, 43, 22, 45, 23, 47, 2, 49, 25, 51, 26, 53, 9, 55, 28, 57, 29, 59, 10, 61, 31, 63, 32, 65, 11 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Or n divided by the largest factorial divisor of n. Or smallest r such that n/r is a factorial number.

Positions of ones are the factorial numbers A000142. Is every positive integer in this sequence? - Gus Wiseman, May 15 2019

LINKS

Table of n, a(n) for n=1..66.

MATHEMATICA

Table[n/Max@@Intersection[Divisors[n], Array[Factorial, n]], {n, 100}] (* Gus Wiseman, May 15 2019 *)

CROSSREFS

Cf. A000142, A011371, A022559, A071626, A115627, A135291.

Cf. A325272, A325273, A325508, A325509, A325543, A325544.

Sequence in context: A051543 A265574 A129538 * A111701 A093527 A088233

Adjacent sequences:  A076931 A076932 A076933 * A076935 A076936 A076937

KEYWORD

easy,nonn

AUTHOR

Amarnath Murthy, Oct 19 2002

STATUS

approved

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Last modified October 19 16:17 EDT 2019. Contains 328223 sequences. (Running on oeis4.)