A213023 - cp's OEIS frontend

A213023 Expansion of psi(x)^2 * psi(-x^3) / chi(-x^2) in powers of x where psi(), chi() are Ramanujan theta functions.

n	a(n)
0	1
1	2
2	2
3	3
4	2
5	2
6	4
7	4
8	5
9	3
10	4
11	5
12	4
13	6
14	4
15	4
16	5
17	7
18	5
19	3
20	6
21	8
22	8
23	8
24	6
25	3
26	7
27	6
28	10
29	6
30	5
31	10
32	4
33	8
34	7
35	8
36	10
37	6
38	9
39	8
40	5
41	10
42	10
43	11
44	6
45	9
46	11
47	6
48	12
49	9
50	8
51	8
52	10
53	9
54	6
55	6
56	15
57	12
58	9
59	9
60	6
61	13
62	10
63	13
64	10
65	7
66	14
67	12
68	12
69	8
70	7
71	13
72	10
73	16
74	9
75	10
76	10
77	12

[1, 2, 2, 3, 2, 2, 4, 4, 5, 3, 4, 5, 4, 6, 4, 4, 5, 7, 5, 3, 6, 8, 8, 8, 6, 3, 7, 6, 10, 6, 5, 10, 4, 8, 7, 8, 10, 6, 9, 8, 5, 10, 10, 11, 6, 9, 11, 6, 12, 9, 8, 8, 10, 9, 6, 6, 15, 12, 9, 9, 6, 13, 10, 13, 10, 7, 14, 12, 12, 8, 7, 13, 10, 16, 9, 10, 10, 12]

cp's OEIS Frontend

A213023 Expansion of psi(x)^2 * psi(-x^3) / chi(-x^2) in powers of x where psi(), chi() are Ramanujan theta functions.

Table of values

List of values

n	a(n)
0	1
1	2
2	2
3	3
4	2
5	2
6	4
7	4
8	5
9	3
10	4
11	5
12	4
13	6
14	4
15	4
16	5
17	7
18	5
19	3
20	6
21	8
22	8
23	8
24	6
25	3
26	7
27	6
28	10
29	6
30	5
31	10
32	4
33	8
34	7
35	8
36	10
37	6
38	9
39	8
40	5
41	10
42	10
43	11
44	6
45	9
46	11
47	6
48	12
49	9
50	8
51	8
52	10
53	9
54	6
55	6
56	15
57	12
58	9
59	9
60	6
61	13
62	10
63	13
64	10
65	7
66	14
67	12
68	12
69	8
70	7
71	13
72	10
73	16
74	9
75	10
76	10
77	12

n	a(n)
0	1
1	2
2	2
3	3
4	2
5	2
6	4
7	4
8	5
9	3
10	4
11	5
12	4
13	6
14	4
15	4
16	5
17	7
18	5
19	3
20	6
21	8
22	8
23	8
24	6
25	3
26	7
27	6
28	10
29	6
30	5
31	10
32	4
33	8
34	7
35	8
36	10
37	6
38	9
39	8
40	5
41	10
42	10
43	11
44	6
45	9
46	11
47	6
48	12
49	9
50	8
51	8
52	10
53	9
54	6
55	6
56	15
57	12
58	9
59	9
60	6
61	13
62	10
63	13
64	10
65	7
66	14
67	12
68	12
69	8
70	7
71	13
72	10
73	16
74	9
75	10
76	10
77	12

n	a(n)
0	1
1	2
2	2
3	3
4	2
5	2
6	4
7	4
8	5
9	3
10	4
11	5
12	4
13	6
14	4
15	4
16	5
17	7
18	5
19	3
20	6
21	8
22	8
23	8
24	6
25	3
26	7
27	6
28	10
29	6
30	5
31	10
32	4
33	8
34	7
35	8
36	10
37	6
38	9
39	8
40	5
41	10
42	10
43	11
44	6
45	9
46	11
47	6
48	12
49	9
50	8
51	8
52	10
53	9
54	6
55	6
56	15
57	12
58	9
59	9
60	6
61	13
62	10
63	13
64	10
65	7
66	14
67	12
68	12
69	8
70	7
71	13
72	10
73	16
74	9
75	10
76	10
77	12