Expansion of Product_{k>0} theta_3(q^k)/theta_4(q^k), where theta_3() and theta_4() are the Jacobi theta functions.

A320967

Expansion of Product_{k>0} theta_3(q^k)/theta_4(q^k), where theta_3() and theta_4() are the Jacobi theta functions.

Terms

    a(0) =1a(1) =4a(2) =12a(3) =36a(4) =92a(5) =220a(6) =508a(7) =1108a(8) =2332a(9) =4776a(10) =9492a(11) =18420a(12) =35036a(13) =65324a(14) =119708a(15) =216044a(16) =384204a(17) =674236a(18) =1168968a(19) =2003460a(20) =3397300a(21) =5704148a(22) =9487740a(23) =15642676a(24) =25577900a(25) =41495032a(26) =66817812a(27) =106837112a(28) =169677372a(29) =267755836

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