A233693 - cp's OEIS frontend

A233693 Expansion of q * psi(-q) * chi(-q^6) * psi(-q^9) / (phi(-q) * phi(-q^18)) in powers of q where phi(), psi(), chi() are Ramanujan theta functions.

n	a(n)
1	1
2	1
3	2
4	3
5	4
6	6
7	8
8	11
9	14
10	18
11	24
12	30
13	38
14	48
15	60
16	75
17	92
18	114
19	140
20	170
21	208
22	252
23	304
24	366
25	439
26	526
27	626
28	744
29	884
30	1044
31	1232
32	1451
33	1704
34	1998
35	2336
36	2730
37	3182
38	3700
39	4300
40	4986
41	5772
42	6672
43	7700
44	8876
45	10212
46	11736
47	13472
48	15438
49	17673
50	20207
51	23076

[1, 1, 2, 3, 4, 6, 8, 11, 14, 18, 24, 30, 38, 48, 60, 75, 92, 114, 140, 170, 208, 252, 304, 366, 439, 526, 626, 744, 884, 1044, 1232, 1451, 1704, 1998, 2336, 2730, 3182, 3700, 4300, 4986, 5772, 6672, 7700, 8876, 10212, 11736, 13472, 15438, 17673, 20207, 23076]

cp's OEIS Frontend

A233693 Expansion of q * psi(-q) * chi(-q^6) * psi(-q^9) / (phi(-q) * phi(-q^18)) in powers of q where phi(), psi(), chi() are Ramanujan theta functions.

Table of values

List of values