id:A084113 - OEIS Search Results

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Number of multiplications when calculating A084110(n).

+0
5

0, 1, 1, 2, 1, 2, 1, 2, 2, 2, 1, 4, 1, 2, 2, 3, 1, 4, 1, 4, 2, 2, 1, 5, 2, 2, 2, 4, 1, 5, 1, 4, 2, 2, 2, 6, 1, 2, 2, 5, 1, 5, 1, 4, 4, 2, 1, 6, 2, 4, 2, 4, 1, 5, 2, 5, 2, 2, 1, 7, 1, 2, 4, 4, 2, 5, 1, 4, 2, 5, 1, 7, 1, 2, 4, 4, 2, 5, 1, 6, 3, 2, 1, 7, 2, 2, 2, 5, 1, 7, 2, 4, 2, 2, 2, 7, 1, 4, 4, 6, 1, 5, 1, 5, 5 (list; graph; listen)

	OFFSET	`1,4`
	COMMENT	`a(n) = A000005(n)-1-A084114(n) = A032741(n)-A084114(n) = (A032741(n)+A084115(n))/2;` `a(n) = 1 iff n is prime.`
	LINKS	`Eric Weisstein's World of Mathematics, Divisor Product.`
	CROSSREFS	`Sequence in context: A068108 A113309 A062362 this_sequence A115751 A048684 A109969` `Adjacent sequences: A084110 A084111 A084112 this_sequence A084114 A084115 A084116`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 12 2003`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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