id:A060778 - OEIS Search Results

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a(n) = GCD[A000005(n+1), A000005(n)].

+0
2

1, 2, 1, 1, 2, 2, 2, 1, 1, 2, 2, 2, 2, 4, 1, 1, 2, 2, 2, 2, 4, 2, 2, 1, 1, 4, 2, 2, 2, 2, 2, 2, 4, 4, 1, 1, 2, 4, 4, 2, 2, 2, 2, 6, 2, 2, 2, 1, 3, 2, 2, 2, 2, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 4, 2, 2, 2, 4, 2, 2, 2, 2, 2, 6, 2, 4, 2, 2, 5, 1, 2, 2, 4, 4, 4, 4, 2, 2, 4, 2, 2, 4, 4, 4, 2, 2, 6, 3, 1, 2, 2, 2, 8, 4 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`Harry J. Smith, Table of n, a(n) for n=1,...,1000`
	PROGRAM	`(PARI) { t=1; for (n=1, 1000, d=numdiv(n+1); write("b060778.txt", n, " ", gcd(d, t)); t=d; ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 11 2009]`
	CROSSREFS	`A057921, A000005.` `Sequence in context: A026465 A051486 A081355 this_sequence A096492 A053874 A123245` `Adjacent sequences: A060775 A060776 A060777 this_sequence A060779 A060780 A060781`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Apr 26 2001`

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.

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