id:A081354 - OEIS Search Results

Search: id:A081354

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Numbers n such that sigma(n^2) modulo 4 = 3.

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2, 4, 5, 6, 8, 12, 13, 14, 15, 16, 17, 18, 22, 24, 28, 29, 32, 35, 36, 37, 38, 39, 41, 42, 44, 45, 46, 48, 50, 51, 53, 54, 55, 56, 61, 62, 64, 66, 72, 73, 76, 84, 86, 87, 88, 89, 91, 92, 94, 95, 96, 97, 98, 100, 101, 105, 108, 109, 111, 112, 113, 114, 115, 117, 118, 119, 123 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`Probably a(n)/n ->2`
	CROSSREFS	`Adjacent sequences: A081351 A081352 A081353 this_sequence A081355 A081356 A081357` `Sequence in context: A091207 A099247 A007192 this_sequence A119792 A085834 A037081`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 20 2003`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

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