A100959 - OEIS

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A100959

Non-semiprimes.

1, 2, 3, 5, 7, 8, 11, 12, 13, 16, 17, 18, 19, 20, 23, 24, 27, 28, 29, 30, 31, 32, 36, 37, 40, 41, 42, 43, 44, 45, 47, 48, 50, 52, 53, 54, 56, 59, 60, 61, 63, 64, 66, 67, 68, 70, 71, 72, 73, 75, 76, 78, 79, 80, 81, 83, 84, 88, 89, 90, 92, 96, 97, 98, 99, 100, 101, 102, 103, 104 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`A001222(a(n)) <> 2; a(n) <> A020639(a(n)) * A006530(a(n)); complement of A001358; A064911(a(n)) = 0.` `A174956(a(n)) = 0. [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 03 2010]`
	LINKS	`Donald Alan Morrison, Table of n, a(n) for n = 1..10000` `Donald Alan Morrison, Sage program` `Eric Weisstein's World of Mathematics, Semiprime`
	CROSSREFS	`Sequence in context: A028743 A106735 A082634 * A166982 A026422 A026424` `Adjacent sequences: A100956 A100957 A100958 * A100960 A100961 A100962`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 24 2004`

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Last modified February 16 06:39 EST 2012. Contains 205861 sequences.