Expansion of (1/q) * phi(-q) * phi(q^4) / (phi(q) * psi(q^8)) in powers of q where phi(), psi() are Ramanujan theta functions.

A215346

Expansion of (1/q) * phi(-q) * phi(q^4) / (phi(q) * psi(q^8)) in powers of q where phi(), psi() are Ramanujan theta functions.

Terms

    a(0) =1a(1) =-4a(2) =8a(3) =-16a(4) =34a(5) =-64a(6) =112a(7) =-192a(8) =319a(9) =-512a(10) =808a(11) =-1248a(12) =1886a(13) =-2816a(14) =4144a(15) =-6016a(16) =8643a(17) =-12288a(18) =17296a(19) =-24144a(20) =33442a(21) =-45952a(22) =62720a(23) =-85056a(24) =114620a(25) =-153600a(26) =204728a(27) =-271456a(28) =358204a(29) =-470528

External references