OFFSET
1,2
LINKS
Clark Kimberling, Table of n, a(n) for n = 1..1000
EXAMPLE
gcd(63,35) = 7, gcd(62,34) = 2, gcd(61,33) = 1, so a(6) = 3.
MATHEMATICA
b[n_] := 2^n; c[n_] := n^2;
Table[m = 1; While[GCD[b[n] - m, c[n] - m] != 1, m++]; m, {n, 1, 140}]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jul 26 2012
STATUS
approved