A261156 - cp's OEIS frontend

A261156 Expansion of chi(q) * chi(-q^9) / (chi(-q) * chi(q^9)) in powers of q where chi() is a Ramanujan theta function.

n	a(n)
0	1
1	2
2	2
3	4
4	6
5	8
6	12
7	16
8	22
9	28
10	36
11	48
12	60
13	76
14	96
15	120
16	150
17	184
18	228
19	280
20	340
21	416
22	504
23	608
24	732
25	878
26	1052
27	1252
28	1488
29	1768
30	2088
31	2464
32	2902
33	3408
34	3996
35	4672
36	5460
37	6364
38	7400
39	8600
40	9972
41	11544
42	13344
43	15400
44	17752
45	20424
46	23472
47	26944
48	30876
49	35346

[1, 2, 2, 4, 6, 8, 12, 16, 22, 28, 36, 48, 60, 76, 96, 120, 150, 184, 228, 280, 340, 416, 504, 608, 732, 878, 1052, 1252, 1488, 1768, 2088, 2464, 2902, 3408, 3996, 4672, 5460, 6364, 7400, 8600, 9972, 11544, 13344, 15400, 17752, 20424, 23472, 26944, 30876, 35346]

cp's OEIS Frontend

A261156 Expansion of chi(q) * chi(-q^9) / (chi(-q) * chi(q^9)) in powers of q where chi() is a Ramanujan theta function.

Table of values

List of values