A128639 - cp's OEIS frontend

A128639 Expansion of (1/3) * (c(q)^2 / c(q^2)) / (b(q)^2 / b(q^2)) in powers of q where b(), c() are cubic AGM theta functions.

n	a(n)
0	1
1	8
2	40
3	152
4	488
5	1392
6	3640
7	8896
8	20584
9	45512
10	96816
11	199200
12	398072
13	775216
14	1475264
15	2749776
16	5029736
17	9043344
18	16005352
19	27918304
20	48047280
21	81661504
22	137183136
23	227952960
24	374924152
25	610743224
26	985891568
27	1577869784
28	2504850112
29	3945854640
30	6170415888

[1, 8, 40, 152, 488, 1392, 3640, 8896, 20584, 45512, 96816, 199200, 398072, 775216, 1475264, 2749776, 5029736, 9043344, 16005352, 27918304, 48047280, 81661504, 137183136, 227952960, 374924152, 610743224, 985891568, 1577869784, 2504850112, 3945854640, 6170415888]

cp's OEIS Frontend

A128639 Expansion of (1/3) * (c(q)^2 / c(q^2)) / (b(q)^2 / b(q^2)) in powers of q where b(), c() are cubic AGM theta functions.

Table of values

List of values