id:A085729 - OEIS Search Results

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Sum of prime factors of prime powers.

+0
1

0, 2, 3, 4, 5, 7, 6, 6, 11, 13, 8, 17, 19, 23, 10, 9, 29, 31, 10, 37, 41, 43, 47, 14, 53, 59, 61, 12, 67, 71, 73, 79, 12, 83, 89, 97, 101, 103, 107, 109, 113, 22, 15, 127, 14, 131, 137, 139, 149, 151, 157, 163, 167, 26, 173, 179, 181, 191, 193, 197, 199, 211, 223 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n) = A001414(A000961(n)).`
	LINKS	`Eric Weisstein's World of Mathematics, Prime Power.` `Eric Weisstein's World of Mathematics, Sum of Prime Factors.`
	FORMULA	`a(p^e) = ep: a(n)=A025474(n)A025473(n).`
	CROSSREFS	`Sequence in context: A152302 A071180 A031225 this_sequence A073907 A131424 A072797` `Adjacent sequences: A085726 A085727 A085728 this_sequence A085730 A085731 A085732`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 20 2003`

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.

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