id:A036013 - OEIS Search Results

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a(n) = smallest number >1 such that a(1)a(2)...a(n) - 1 is prime (or 1).

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4

2, 2, 2, 3, 2, 4, 2, 3, 6, 4, 5, 5, 5, 10, 4, 3, 5, 8, 22, 13, 14, 2, 5, 5, 2, 20, 9, 9, 24, 5, 26, 15, 14, 25, 25, 4, 9, 30, 9, 21, 12, 11, 10, 2, 40, 19, 8, 13, 11, 50, 3, 25, 25, 8, 5, 25, 46, 19, 47, 54, 9, 13, 14, 43, 4, 24, 28, 16, 33, 25, 152, 2, 11, 22, 6, 78, 87, 7, 10, 21 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`T. D. Noe, Table of n, a(n) for n=1..300`
	CROSSREFS	`Cf. A036012.` `Sequence in context: A156862 A076709 A110021 this_sequence A126336 A134446 A125749` `Adjacent sequences: A036010 A036011 A036012 this_sequence A036014 A036015 A036016`
	KEYWORD	`nonn,nice,easy`
	AUTHOR	`Russell Easterly (logiclab(AT)attbi.com)`
	EXTENSIONS	`More terms from Erich Friedman (erich.friedman(AT)stetson.edu). More terms from Jud McCranie (j.mccranie(AT)comcast.net), Jan 26 2000.`

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

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