id:A104774 - OEIS Search Results

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If n is even then (if n<=4 then n else a(n/2) + 0^a(n/2) - 1) else (if n=p*q is semiprime then p+q else 0^(n-1))).

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1, 2, 0, 4, 0, 0, 0, 3, 6, 0, 0, 0, 0, 0, 8, 2, 0, 5, 0, 0, 10, 0, 0, 0, 10, 0, 0, 0, 0, 7, 0, 1, 14, 0, 12, 4, 0, 0, 16, 0, 0, 9, 0, 0, 0, 0, 0, 0, 14, 9, 20, 0, 0, 0, 16, 0, 22, 0, 0, 6, 0, 0, 0, 0, 18, 13, 0, 0, 26, 11, 0, 3, 0, 0, 0, 0, 18, 15, 0, 0, 0, 0, 0, 8, 22, 0, 32, 0, 0, 0, 20, 0, 34, 0, 24 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(A104772(n)) = n; a(A104773(n)) = A104772(n).`
	CROSSREFS	`Cf. A001358, A046315, A090967.` `Sequence in context: A077928 A105418 A135433 this_sequence A087263 A099894 A048298` `Adjacent sequences: A104771 A104772 A104773 this_sequence A104775 A104776 A104777`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 24 2005`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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