%I #8 Apr 21 2018 17:33:44
%S 4,20,159,1581,16558,177149,1914605,20805629,226837179,2478392741,
%T 27117710875,297017215757,3255654522710,35706184176828,
%U 391779075776400,4300227701910871,47213296523342317,518486398180399368,5694994070817964255,62563136744290538933
%N The (11^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 20 2018