id:A156543 - OEIS Search Results

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Multiplicative closure of primes that are not Sophie Germain primes (A053176).

+0
6

1, 7, 13, 17, 19, 31, 37, 43, 47, 49, 59, 61, 67, 71, 73, 79, 91, 97, 101, 103, 107, 109, 119, 127, 133, 137, 139, 149, 151, 157, 163, 167, 169, 181, 193, 197, 199, 211, 217, 221, 223, 227, 229, 241, 247, 257, 259, 263, 269, 271, 277, 283, 289, 301, 307, 311 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n) mod 6 = 1 or = 5; subsequence of A007310;` `A156542(a(n)) = 0;` `A045979 is a subsequence.`
	LINKS	`R. Zumkeller, Table of n, a(n) for n = 1..1000`
	CROSSREFS	`Cf. A156541.` `Sequence in context: A079698 A038906 A097959 this_sequence A090863 A045979 A079699` `Adjacent sequences: A156540 A156541 A156542 this_sequence A156544 A156545 A156546`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 09 2009`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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