%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