id:A156669 - 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.

+0
3

1, 101, 13361, 1612186411, 1624763543401, 240020196429554642201, 29891946989942513908518251, 5506336596007252456855684531229391026385301, 92724987584857206382605250844078768507060135044811 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`13361 belongs to this sequence since 13361^2 = (35^5 + 123^5) / (35 + 123) with gcd(35,123)=1.`
	CROSSREFS	`Cf. A156668, A156670` `Sequence in context: A138148 A138831 A068160 this_sequence A082435 A136098 A153807` `Adjacent sequences: A156666 A156667 A156668 this_sequence A156670 A156671 A156672`
	KEYWORD	`nonn`
	AUTHOR	`Max Alekseyev (maxale(AT)gmail.com), Feb 13 2009`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research