id:A086418 - OEIS Search Results

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Sum of distinct prime factors of 3-smooth numbers.

+0
2

0, 2, 3, 2, 5, 2, 3, 5, 2, 5, 5, 3, 2, 5, 5, 5, 2, 5, 3, 5, 5, 2, 5, 5, 5, 5, 3, 2, 5, 5, 5, 5, 5, 2, 5, 5, 3, 5, 5, 5, 2, 5, 5, 5, 5, 5, 5, 2, 3, 5, 5, 5, 5, 5, 5, 2, 5, 5, 5, 5, 5, 3, 5, 5, 2, 5, 5, 5, 5, 5, 5, 5, 5, 2, 5, 5, 3, 5, 5, 5, 5, 5, 5, 2, 5, 5, 5, 5, 5, 5, 5, 5, 3, 5, 2, 5, 5, 5, 5, 5, 5, 5 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n) = A008472(A003586(n));` `a(n) = 20^(0^A022328(n)) + 30^(0^A022329(n)).`
	CROSSREFS	`Cf. A086419, A086417, A086412.` `Sequence in context: A101876 A087986 A129088 this_sequence A100761 A027748 A000705` `Adjacent sequences: A086415 A086416 A086417 this_sequence A086419 A086420 A086421`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 18 2003`

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Last modified September 7 15:23 EDT 2008. Contains 143483 sequences.

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