id:A085971 - OEIS Search Results

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Union of primes and numbers that are not prime powers (A000040, A024619).

+0
4

2, 3, 5, 6, 7, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 24, 26, 28, 29, 30, 31, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Complement of A025475;` `A085972(n) = Max{k: a(k)<=n};` `different from A007916 and A052485, as a(28)=36;` `A085818(a(n)) = A000040(n).`
	CROSSREFS	`Sequence in context: A071591 A028769 A094784 this_sequence A007916 A052485 A109421` `Adjacent sequences: A085968 A085969 A085970 this_sequence A085972 A085973 A085974`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Jul 06 2003`

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.

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