id:A005066 - OEIS Search Results

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Sum of squares of odd primes dividing n.

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0, 0, 9, 0, 25, 9, 49, 0, 9, 25, 121, 9, 169, 49, 34, 0, 289, 9, 361, 25, 58, 121, 529, 9, 25, 169, 9, 49, 841, 34, 961, 0, 130, 289, 74, 9, 1369, 361, 178, 25, 1681, 58, 1849, 121, 34, 529, 2209, 9, 49, 25, 298, 169 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`Additive with a(p^e) = 0 if p = 2, p^2 otherwise.`
	CROSSREFS	`Sequence in context: A067153 A057405 A167354 this_sequence A076262 A167301 A013534` `Adjacent sequences: A005063 A005064 A005065 this_sequence A005067 A005068 A005069`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.

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