A320970 - cp's OEIS frontend

A320970 Expansion of Product_{k>0} theta_4(q^k)/theta_3(q^k), where theta_3() and theta_4() are the Jacobi theta functions.

n	a(n)
0	1
1	-4
2	4
3	-4
4	20
5	-28
6	20
7	-52
8	84
9	-104
10	156
11	-180
12	308
13	-460
14	468
15	-684
16	1028
17	-1308
18	1592
19	-2084
20	2940
21	-3668
22	4564
23	-5716
24	7556
25	-9912
26	11484
27	-14616
28	19252
29	-23548
30	28316
31	-35188
32	44724
33	-54532
34	65996
35	-79948
36	99784
37	-122796
38	143972
39	-175372
40	216524
41	-259996
42	308004
43	-371140

[1, -4, 4, -4, 20, -28, 20, -52, 84, -104, 156, -180, 308, -460, 468, -684, 1028, -1308, 1592, -2084, 2940, -3668, 4564, -5716, 7556, -9912, 11484, -14616, 19252, -23548, 28316, -35188, 44724, -54532, 65996, -79948, 99784, -122796, 143972, -175372, 216524, -259996, 308004, -371140]

cp's OEIS Frontend

A320970 Expansion of Product_{k>0} theta_4(q^k)/theta_3(q^k), where theta_3() and theta_4() are the Jacobi theta functions.

Table of values

List of values