Expansion of q / (chi(q) * chi(q^3))^6 in powers of q where chi() is a Ramanujan theta function.

A107653

Expansion of q / (chi(q) * chi(q^3))^6 in powers of q where chi() is a Ramanujan theta function.

Terms

    a(0) =1a(1) =-6a(2) =21a(3) =-68a(4) =198a(5) =-510a(6) =1248a(7) =-2904a(8) =6393a(9) =-13604a(10) =28044a(11) =-55956a(12) =108982a(13) =-207552a(14) =386622a(15) =-707216a(16) =1271970a(17) =-2250582a(18) =3925780a(19) =-6757272a(20) =11483232a(21) =-19290824a(22) =32057352a(23) =-52722744a(24) =85884503a(25) =-138644292a(26) =221885805a(27) =-352241792a(28) =554892894

External references