id:A141378 - OEIS Search Results

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a(n) = the smallest positive integer non-coprime to both n and sigma(n), where sigma(n) is the sum of divisors of n.

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6, 6, 14, 10, 2, 14, 6, 39, 2, 22, 2, 26, 2, 3, 62, 34, 3, 38, 2, 6, 2, 46, 2, 155, 2, 6, 2, 58, 2, 62, 6, 3, 2, 10, 14, 74, 2, 6, 2, 82, 2, 86, 2, 3, 2, 94, 2, 21, 6, 3, 2, 106, 2, 10, 2, 6, 2, 118, 2, 122, 2, 6, 254, 10, 2, 134, 2, 3, 2, 142, 3, 146, 2, 6, 2, 14, 2, 158, 2, 33, 2, 166, 2, 10 (list; graph; listen)

	OFFSET	`2,1`
	LINKS	`Leroy Quet, Home Page (listed in lieu of email address)`
	FORMULA	`a(n) = A141327(n, A000203(n)).`
	CROSSREFS	`Cf. A141327, A141377, A141379.` `Sequence in context: A091827 A160729 A115014 this_sequence A003871 A110626 A072695` `Adjacent sequences: A141375 A141376 A141377 this_sequence A141379 A141380 A141381`
	KEYWORD	`nonn`
	AUTHOR	`Leroy Quet Jun 28 2008`
	EXTENSIONS	`Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Jun 24 2009`

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

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