A081285 - cp's OEIS frontend

A081285 Table of coefficients of polynomials f_n(q) defined by 1/Product_{i>=1} (1-a q^i)^i = Sum_{n>=0} a^n q^n f_n(q) / ((q)n)^2,</span> where (x)<span class="maths">_n</span> is the q-Pochhammer symbol, defined to be <span class="maths">Product{i=0..n-1} (1-x q^i).

n	a(n)
0	1
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	2
9	1
10	0
11	1
12	1
13	0
14	1
15	2
16	4
17	2
18	4
19	2
20	4
21	2
22	1
23	0
24	1
25	1
26	0
27	1
28	2
29	4
30	6
31	7
32	8
33	12
34	12
35	14
36	12
37	12
38	8
39	7
40	6
41	4
42	2
43	1
44	0
45	1
46	1
47	0
48	1
49	2
50	4
51	6
52	12
53	12
54	21
55	26
56	37
57	40
58	55
59	52
60	61
61	60
62	61
63	52
64	55
65	40
66	37
67	26
68	21
69	12
70	12
71	6
72	4
73	2
74	1
75	0
76	1
77	1
78	0
79	1
80	2
81	4
82	6
83	12
84	18
85	26
86	38
87	57
88	76

[1, 1, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 1, 0, 1, 2, 4, 2, 4, 2, 4, 2, 1, 0, 1, 1, 0, 1, 2, 4, 6, 7, 8, 12, 12, 14, 12, 12, 8, 7, 6, 4, 2, 1, 0, 1, 1, 0, 1, 2, 4, 6, 12, 12, 21, 26, 37, 40, 55, 52, 61, 60, 61, 52, 55, 40, 37, 26, 21, 12, 12, 6, 4, 2, 1, 0, 1, 1, 0, 1, 2, 4, 6, 12, 18, 26, 38, 57, 76]

cp's OEIS Frontend

A081285 Table of coefficients of polynomials f_n(q) defined by 1/Product_{i>=1} (1-a q^i)^i = Sum_{n>=0} a^n q^n f_n(q) / ((q)n)^2,</span> where (x)<span class="maths">_n</span> is the q-Pochhammer symbol, defined to be <span class="maths">Product{i=0..n-1} (1-x q^i).

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	2
9	1
10	0
11	1
12	1
13	0
14	1
15	2
16	4
17	2
18	4
19	2
20	4
21	2
22	1
23	0
24	1
25	1
26	0
27	1
28	2
29	4
30	6
31	7
32	8
33	12
34	12
35	14
36	12
37	12
38	8
39	7
40	6
41	4
42	2
43	1
44	0
45	1
46	1
47	0
48	1
49	2
50	4
51	6
52	12
53	12
54	21
55	26
56	37
57	40
58	55
59	52
60	61
61	60
62	61
63	52
64	55
65	40
66	37
67	26
68	21
69	12
70	12
71	6
72	4
73	2
74	1
75	0
76	1
77	1
78	0
79	1
80	2
81	4
82	6
83	12
84	18
85	26
86	38
87	57
88	76

n	a(n)
0	1
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	2
9	1
10	0
11	1
12	1
13	0
14	1
15	2
16	4
17	2
18	4
19	2
20	4
21	2
22	1
23	0
24	1
25	1
26	0
27	1
28	2
29	4
30	6
31	7
32	8
33	12
34	12
35	14
36	12
37	12
38	8
39	7
40	6
41	4
42	2
43	1
44	0
45	1
46	1
47	0
48	1
49	2
50	4
51	6
52	12
53	12
54	21
55	26
56	37
57	40
58	55
59	52
60	61
61	60
62	61
63	52
64	55
65	40
66	37
67	26
68	21
69	12
70	12
71	6
72	4
73	2
74	1
75	0
76	1
77	1
78	0
79	1
80	2
81	4
82	6
83	12
84	18
85	26
86	38
87	57
88	76

n	a(n)
0	1
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	2
9	1
10	0
11	1
12	1
13	0
14	1
15	2
16	4
17	2
18	4
19	2
20	4
21	2
22	1
23	0
24	1
25	1
26	0
27	1
28	2
29	4
30	6
31	7
32	8
33	12
34	12
35	14
36	12
37	12
38	8
39	7
40	6
41	4
42	2
43	1
44	0
45	1
46	1
47	0
48	1
49	2
50	4
51	6
52	12
53	12
54	21
55	26
56	37
57	40
58	55
59	52
60	61
61	60
62	61
63	52
64	55
65	40
66	37
67	26
68	21
69	12
70	12
71	6
72	4
73	2
74	1
75	0
76	1
77	1
78	0
79	1
80	2
81	4
82	6
83	12
84	18
85	26
86	38
87	57
88	76