Expansion of phi_{5, 4}(x) where phi_{r, s}(x) = Sum_{n, m>0} m^r * n^s * x^{m*n}.

Terms

a(0) =0a(1) =1a(2) =48a(3) =324a(4) =1792a(5) =3750a(6) =15552a(7) =19208a(8) =61440a(9) =85293a(10) =180000a(11) =175692a(12) =580608a(13) =399854a(14) =921984a(15) =1215000a(16) =2031616a(17) =1503378a(18) =4094064a(19) =2606420a(20) =6720000a(21) =6223392a(22) =8433216a(23) =6716184a(24) =19906560a(25) =12109375a(26) =19192992a(27) =21257640a(28) =34420736a(29) =21218430