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A147754 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 0
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; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..50.

PROG

(PARI) j=[]; for (n=0, 50, j=concat(j, gcd(a(n), b(n)))); j

CROSSREFS

Sequence in context: A134743 A099547 A137758 * A084305 A099375 A130301

Adjacent sequences:  A147751 A147752 A147753 * A147755 A147756 A147757

KEYWORD

nonn

AUTHOR

Alexander R. Povolotsky, Nov 11 2008

STATUS

approved

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Last modified May 23 07:08 EDT 2019. Contains 323508 sequences. (Running on oeis4.)