%I #4 Jul 19 2013 06:04:50
%S 16,25,27,32,36,49,64,81,100,125,128,144,169,196,216,225,256,289,324,
%T 343,400,441,484,512,529,625,676,729,784,841,900,1000,1024,1089,1156,
%U 1225,1331,1444,1521,1600,1681,1728,1936,2048,2187,2197,2304,2401,2916,3025
%N Perfect powers equal to the sum of 10 factorial numbers.
%C a(240), if it exists, is larger than 10^50.
%H Giovanni Resta, <a href="/A227651/b227651.txt">Table of n, a(n) for n = 1..239</a> (terms < 10^50)
%H Giovanni Resta, <a href="/A227651/a227651.txt">Decompositions for a(1)-a(239)</a>
%e 25411681 = 71^4 = 1! + 7! + 7! + 10! + 10! + 10! + 10! + 10! + 10! + 10!.
%Y Cf. A114377, A227644-A227650.
%K nonn
%O 1,1
%A _Giovanni Resta_, Jul 19 2013