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A086892(11*n).
0

%I #5 Oct 04 2015 00:05:37

%S 23,23,23,115,23,10787,23,10235,23,2783,23,701155,23,23,23,173995,23,

%T 40785647,23,69575,23,16721,24863,62402795,23,23,23,3335,23,

%U 13392934247,23,61420235,23,23,1633,2842731249875335,23,9637,23,253879175

%N A086892(11*n).

%C Terms are multiples of 23.

%p A086892 := proc(n) gcd(2^n-1,3^n-1) ; end: for n from 1 to 40 do printf("%d,",A086892(11*n)) ; od: # _R. J. Mathar_, Aug 12 2008

%K nonn

%O 1,1

%A _Paul Curtz_, Aug 08 2008

%E Edited and extended by _R. J. Mathar_, Aug 12 2008