id:A077063 - OEIS Search Results

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Square-free kernel of prime(n) - 1.

+0
3

1, 2, 2, 6, 10, 6, 2, 6, 22, 14, 30, 6, 10, 42, 46, 26, 58, 30, 66, 70, 6, 78, 82, 22, 6, 10, 102, 106, 6, 14, 42, 130, 34, 138, 74, 30, 78, 6, 166, 86, 178, 30, 190, 6, 14, 66, 210, 222, 226, 114, 58, 238, 30, 10, 2, 262, 134, 30, 138, 70, 282, 146, 102, 310, 78, 158 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(A077064(n)) = A077064(n).`
	FORMULA	`a(n) = A007947(A006093(n)).`
	EXAMPLE	`a(25) = sfk(prime(25)-1) = sfk(97-1) = sfk(3*2^5) = 6.`
	CROSSREFS	`Cf. A077066.` `Sequence in context: A000022 A034805 A051765 this_sequence A081728 A080460 A077017` `Adjacent sequences: A077060 A077061 A077062 this_sequence A077064 A077065 A077066`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 23 2002`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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