%I #8 May 21 2018 18:26:39
%S 1,27,648,10539,149346,1938780,23903442,284222502,3292100235,
%T 37420852599
%N Sum of digits of (10^n)!.
%C Cf. A004152 Sum of digits of factorial numbers, A113364 1,27,648,16245,... with first three terms coinciding with this SEQ.
%e a(1)=27 because 10!=3628800 and 3+6+2+8+8+0+0=27.
%t Do[Print[Total[IntegerDigits[(10^n)! ]]], {n, 0, 7}]
%o (Python)
%o from math import factorial
%o def A116988(n):
%o return sum(int(d) for d in str(factorial(10**n))) # _Chai Wah Wu_, May 21 2018
%Y Cf. A004152, A113364.
%K hard,more,nonn,base
%O 0,2
%A _Zak Seidov_, Apr 02 2006
%E One more term from _Ryan Propper_, Jun 27 2007
%E a(9) from _Chai Wah Wu_, May 21 2018