A213625 - cp's OEIS frontend

A213625 Expansion of psi(x)^2 * phi(x^2) in powers of x where phi(), psi() are Ramanujan theta functions.

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

[1, 2, 3, 6, 4, 4, 7, 2, 8, 10, 4, 10, 9, 6, 8, 10, 4, 8, 16, 8, 9, 12, 8, 12, 20, 6, 8, 10, 8, 18, 11, 12, 8, 20, 12, 8, 20, 6, 20, 26, 8, 8, 15, 10, 16, 18, 12, 16, 20, 10, 16, 16, 8, 24, 24, 8, 21, 26, 8, 20, 20, 14, 8, 28, 16, 10, 28, 10, 24, 22, 8, 16, 17]

cp's OEIS Frontend

A213625 Expansion of psi(x)^2 * phi(x^2) in powers of x where phi(), psi() are Ramanujan theta functions.

Table of values

List of values

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

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

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