Dirichlet g.f.: Product_{k>=2} 1 / (1 - k^(-s))^(k^6).

Terms

a(0) =1a(1) =64a(2) =729a(3) =6176a(4) =15625a(5) =93312a(6) =117649a(7) =570048a(8) =797526a(9) =2000000a(10) =1771561a(11) =10474272a(12) =4826809a(13) =15059072a(14) =22781250a(15) =51231248a(16) =24137569a(17) =119066112a(18) =47045881a(19) =224500000a(20) =171532242a(21) =226759808a(22) =148035889a(23) =1085918400a(24) =366218750a(25) =617831552a(26) =839677023a(27) =1690380832a(28) =594823321a(29) =3645000000