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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
OFFSET
0,2
PROG
(PARI) j=[]; for (n=0, 50, j=concat(j, gcd(a(n), b(n)))); j
CROSSREFS
Sequence in context: A099547 A137758 A340530 * A360325 A084305 A347066
KEYWORD
nonn
AUTHOR
STATUS
approved