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The (12^n)-th composite number.
0

%I #9 Apr 21 2018 17:36:10

%S 4,21,187,2037,23340,272696,3217385,38159996,454037291,5413203476,

%T 64627581335,772339921008,9236630484442,110524101601776,

%U 1323077631062559,15843823911284864,189780898457455962,2273742258742720401,27246430062475947106,326546194954714602111

%N The (12^n)-th composite number.

%K nonn

%O 0,1

%A _Robert G. Wilson v_, Nov 27 2001

%E Corrected and extended by _Chai Wah Wu_, Apr 21 2018