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Multiplicative closure of Pierpont primes.

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1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 24, 25, 26, 27, 28, 30, 32, 34, 35, 36, 37, 38, 39, 40, 42, 45, 48, 49, 50, 51, 52, 54, 56, 57, 60, 63, 64, 65, 68, 70, 72, 73, 74, 75, 76, 78, 80, 81, 84, 85, 90, 91, 95, 96, 97, 98, 100, 102, 104, 105, 108 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`If u and v are terms then also u*v is a term; A005109 is the generating subsequence;` `A122261(a(n)) = 1;` `A122254 is a subsequence: a(n) = A122254(n) for n < 25;` `a(n) = A048737(n) for n < 22.`
	LINKS	`Eric Weisstein's World of Mathematics, Pierpont Prime`
	CROSSREFS	`Sequence in context: A031995 A023752 A048737 this_sequence A122254 A102823 A004775` `Adjacent sequences: A122257 A122258 A122259 this_sequence A122261 A122262 A122263`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Aug 29 2006`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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