Expansion of phi_{9, 2}(x) where phi_{r, s}(x) = Sum_{n, m>0} m^r * n^s * x^{m*n}.
A282753
Expansion of phi_{9, 2}(x) where phi_{r, s}(x) = Sum_{n, m>0} m^r * n^s * x^{m*n}.
Terms
- a(0) =0a(1) =1a(2) =516a(3) =19692a(4) =264208a(5) =1953150a(6) =10161072a(7) =40353656a(8) =135274560a(9) =387597717a(10) =1007825400a(11) =2357947812a(12) =5202783936a(13) =10604499542a(14) =20822486496a(15) =38461429800a(16) =69260574976a(17) =118587876786a(18) =200000421972a(19) =322687698140a(20) =516037855200a(21) =794644193952
External references
- oeis: A282753