id:A005083 - OEIS Search Results

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Sum of squares of primes = 3 mod 4 dividing n.

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0, 0, 9, 0, 0, 9, 49, 0, 9, 0, 121, 9, 0, 49, 9, 0, 0, 9, 361, 0, 58, 121, 529, 9, 0, 0, 9, 49, 0, 9, 961, 0, 130, 0, 49, 9, 0, 361, 9, 0, 0, 58, 1849, 121, 9, 529, 2209, 9, 49, 0, 9, 0, 0, 9, 121, 49, 370, 0, 3481, 9, 0, 961, 58 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`Additive with a(p^e) = p^2 if p = 3 (mod 4), 0 otherwise.`
	CROSSREFS	`Sequence in context: A132267 A021115 A073052 this_sequence A050453 A013529 A103636` `Adjacent sequences: A005080 A005081 A005082 this_sequence A005084 A005085 A005086`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research