id:A147754 - OEIS Search Results

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Terms of this sequence are equal to gcd between two polynomials P1(n)=(512*n^4+1024*n^3+712*n^2+194*n+15) and P2(n)=(120*n^2+151*n+47) which are used in the BBP formula

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1, 3, 1, 5, 3, 1, 1, 9, 5, 1, 3, 1, 1, 15, 1, 1, 9, 1, 5, 3, 1, 1, 3, 25, 1, 9, 1, 1, 15, 1, 1, 3, 1, 5, 9, 1, 1, 3, 5, 1, 3, 1, 1, 45, 1, 1, 3, 1, 25, 3, 1 (list; graph; listen)

	OFFSET	`0,2`
	PROGRAM	`(PARI) j=[]; for (n=0, 50, j=concat(j, gcd(a(n), b(n)))); j`
	CROSSREFS	`Sequence in context: A134743 A099547 A137758 this_sequence A084305 A099375 A130301` `Adjacent sequences: A147751 A147752 A147753 this_sequence A147755 A147756 A147757`
	KEYWORD	`nonn`
	AUTHOR	`Alexander R. Povolotsky (pevnev(AT)juno.com), Nov 11 2008`

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

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