Expansion of phi(-x^6)^2 / (chi(x) * phi(-x)^2) in powers of x where phi(), chi() are Ramanujan theta functions.

A260545

Expansion of phi(-x^6)^2 / (chi(x) * phi(-x)^2) in powers of x where phi(), chi() are Ramanujan theta functions.

Terms

    a(0) =1a(1) =3a(2) =9a(3) =22a(4) =50a(5) =105a(6) =208a(7) =395a(8) =722a(9) =1280a(10) =2210a(11) =3728a(12) =6163a(13) =10006a(14) =15986a(15) =25169a(16) =39104a(17) =60022a(18) =91106a(19) =136870a(20) =203664a(21) =300368a(22) =439321a(23) =637568a(24) =918530a(25) =1314214a(26) =1868153a(27) =2639276a(28) =3706994a(29) =5177868

External references