id:A056167 - OEIS Search Results

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Numbers n such that n! is not divisible by the square of (f+1)!, where f=Floor[n/2].

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2, 3, 4, 5, 6, 7, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Values of f are in A001057 or A004526.`
	EXAMPLE	`12 is here because 12!/(7!7!)=132/7 is not an integer. 10 is not here because 10!/(6!6!)=7 is an integer.`
	CROSSREFS	`A001057, A004526.` `Sequence in context: A109841 A118766 A136399 this_sequence A050759 A039274 A102487` `Adjacent sequences: A056164 A056165 A056166 this_sequence A056168 A056169 A056170`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Jul 27 2000`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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