id:A140088 - OEIS Search Results

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Number of primes p such that n!-p is prime.

+0
2

0, 0, 0, 1, 6, 24, 78, 368, 1902, 11062, 77426, 692414, 6261624, 68889928, 764874856, 9274470290 (list; graph; listen)

	OFFSET	`0,5`
	COMMENT	`Equals 2*A062311(n) except when n=3.`
	LINKS	`Leroy Quet, Home Page (listed in lieu of email address)`
	CROSSREFS	`Cf. A062311.` `Sequence in context: A080373 A162583 A058809 this_sequence A011855 A004404 A001788` `Adjacent sequences: A140085 A140086 A140087 this_sequence A140089 A140090 A140091`
	KEYWORD	`nonn`
	AUTHOR	`Leroy Quet and others, May 02 2008`
	EXTENSIONS	`a(14), a(15) from Hans Havermann (pxp(AT)rogers.com), Dec 21 2008`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.