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

A294387

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

Terms

    a(0) =1a(1) =-3a(2) =6a(3) =-12a(4) =21a(5) =-36a(6) =60a(7) =-96a(8) =150a(9) =-228a(10) =342a(11) =-504a(12) =732a(13) =-1050a(14) =1488a(15) =-2088a(16) =2901a(17) =-3996a(18) =5460a(19) =-7404a(20) =9972a(21) =-13344a(22) =17748a(23) =-23472a(24) =30876a(25) =-40413a(26) =52644a(27) =-68268a(28) =88152a(29) =-113364

External references