id:A094576 - OEIS Search Results

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Numbers n with property that binomial (2n, n) / (n-2) is an integer.

+0
3

3, 4, 5, 6, 8, 14, 17, 20, 22, 26, 30, 42, 44, 47, 68, 74, 79, 86, 90, 93, 101, 106, 112, 122, 128, 142, 155, 158, 172, 189, 192, 200, 206, 211, 212, 218, 222, 230, 233, 240, 242, 268, 275, 278, 301, 306, 310, 314, 317, 324, 327, 332, 338, 344, 347, 370, 380, 416 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`Select[ Range[421], Mod[Binomial[2#, # ], (# - 2)] == 0 &]`
	CROSSREFS	`Cf. A000108, A094453, A094575.` `Sequence in context: A130788 A087743 A073568 this_sequence A103103 A037348 A047250` `Adjacent sequences: A094573 A094574 A094575 this_sequence A094577 A094578 A094579`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), May 11 2004`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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