id:A076950 - OEIS Search Results

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Smallest k such that nk-1 is a cube.

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1, 1, 3, 7, 13, 21, 4, 43, 1, 73, 91, 111, 5, 2, 183211, 241, 7, 27, 343, 6, 421, 463, 507, 553, 189, 19, 1, 757, 813, 7, 931, 993, 1057, 196, 37, 36, 518, 126, 1483, 1561, 3, 8, 1807, 61, 1981, 2071, 2163, 140, 2353, 2451, 234, 2653, 91, 2863, 532, 9, 3193, 3307 (list; graph; listen)

	OFFSET	`1,3`
	MATHEMATICA	`Do[k = 1; While[ !IntegerQ[(n*k - 1)^(1/3)], k++ ]; Print[k], {n, 1, 59}]`
	CROSSREFS	`Sequence in context: A033551 A022777 A033154 this_sequence A069194 A100531 A032409` `Adjacent sequences: A076947 A076948 A076949 this_sequence A076951 A076952 A076953`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Oct 20 2002`
	EXTENSIONS	`Edited and extended by Robert G. Wilson v (rgwv(AT)rgwv.com), Oct 21 2002`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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