Perfect powers equal to the sum of 7 factorial numbers.

Terms

a(0) =8a(1) =9a(2) =16a(3) =25a(4) =27a(5) =32a(6) =36a(7) =64a(8) =81a(9) =100a(10) =128a(11) =144a(12) =169a(13) =196a(14) =256a(15) =324a(16) =484a(17) =512a(18) =529a(19) =625a(20) =729a(21) =784a(22) =841a(23) =1089a(24) =1225a(25) =2187a(26) =2197a(27) =2916a(28) =3025a(29) =3721