id:A081325 - OEIS Search Results

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sigma(n^2) modulo 4.

+0
1

1, 3, 1, 3, 3, 3, 1, 3, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 3, 1, 3, 1, 1, 1, 3, 3, 1, 1, 3, 1, 1, 3, 3, 3, 3, 3, 1, 3, 3, 1, 3, 3, 3, 1, 3, 1, 3, 3, 1, 3, 3, 3, 3, 1, 1, 1, 1, 3, 3, 1, 3, 1, 3, 1, 1, 1, 1, 1, 3, 3, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 3, 1, 3, 3, 3, 3, 1, 3, 3, 1, 3, 3, 3, 3, 3, 1, 3, 3, 1, 1, 1, 3 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A119979 A143149 A059787 this_sequence A132680 A105595 A072219` `Adjacent sequences: A081322 A081323 A081324 this_sequence A081326 A081327 A081328`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 20 2003`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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