A122260 - OEIS

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A122260

Multiplicative closure of Pierpont primes.

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; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`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 * A122254 A102823 A179308` `Adjacent sequences: A122257 A122258 A122259 * A122261 A122262 A122263`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 29 2006`

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Last modified February 15 03:33 EST 2012. Contains 205694 sequences.