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A147754
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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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0
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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
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OFFSET
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0,2
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LINKS
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PROG
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(PARI) j=[]; for (n=0, 50, j=concat(j, gcd(a(n), b(n)))); j
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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