id:A094147 - OEIS Search Results

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Numbers that can be written as sum of squares of two divisors.

+0
1

2, 8, 18, 20, 32, 50, 72, 80, 90, 98, 128, 162, 180, 200, 242, 272, 288, 320, 338, 360, 392, 450, 468, 500, 512, 578, 648, 650, 720, 722, 800, 810, 882, 968, 980, 1058, 1088, 1152, 1250, 1280, 1332, 1352, 1440, 1458, 1568, 1620, 1682, 1800, 1872 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Subsequence of A000404; A001105 is a subsequence.`
	EXAMPLE	`6 and 12 are divisors of 180 and 6^2 + 12^2 = 36 + 144 = 180,` `therefore 180 is a term.`
	CROSSREFS	`Sequence in context: A073601 A051248 A063664 this_sequence A117612 A109136 A137392` `Adjacent sequences: A094144 A094145 A094146 this_sequence A094148 A094149 A094150`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 01 2004`

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

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