id:A156670 - OEIS Search Results

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Positive integers k such that k^2 = (m^5-n^5)/(m-n) for some non-negative co-prime integers m,n.

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1, 11, 1169341, 20188985439712961, 3506790234728288196345900732301, 5190947078637547438603476743093680561, 1041849413143039115171399776907273433339109867252078165841 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`1169341 belongs to this sequence since 1169341^2 = (808^5 - 627^5) / (808 - 627) with gcd(808,627)=1.`
	CROSSREFS	`Cf. A156668, A156669` `Sequence in context: A112854 A014127 A049192 this_sequence A116061 A013858 A083443` `Adjacent sequences: A156667 A156668 A156669 this_sequence A156671 A156672 A156673`
	KEYWORD	`nonn`
	AUTHOR	`Max Alekseyev (maxale(AT)gmail.com), Feb 13 2009`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

AT&T Labs Research