A341279 - cp's OEIS frontend

A341279 Triangle read by rows: T(n,k) = coefficient of x^n in expansion of (-1 + Product_{j>=1} 1 / (1 + (-x)^j))^k, n >= 0, 0 <= k <= n.

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	1
6	0
7	1
8	0
9	1
10	0
11	1
12	2
13	0
14	1
15	0
16	1
17	2
18	3
19	0
20	1
21	0
22	1
23	3
24	3
25	4
26	0
27	1
28	0
29	1
30	4
31	6
32	4
33	5
34	0
35	1
36	0
37	2
38	5
39	9
40	10
41	5
42	6
43	0
44	1
45	0
46	2
47	8
48	13
49	16
50	15
51	6
52	7
53	0
54	1
55	0
56	2
57	9
58	21
59	26
60	25
61	21
62	7
63	8
64	0
65	1
66	0
67	2
68	12
69	27
70	44
71	45
72	36
73	28
74	8
75	9
76	0
77	1
78	0
79	3
80	15
81	40
82	63
83	80
84	71
85	49
86	36
87	9
88	10
89	0
90	1

[1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 2, 0, 1, 0, 1, 2, 3, 0, 1, 0, 1, 3, 3, 4, 0, 1, 0, 1, 4, 6, 4, 5, 0, 1, 0, 2, 5, 9, 10, 5, 6, 0, 1, 0, 2, 8, 13, 16, 15, 6, 7, 0, 1, 0, 2, 9, 21, 26, 25, 21, 7, 8, 0, 1, 0, 2, 12, 27, 44, 45, 36, 28, 8, 9, 0, 1, 0, 3, 15, 40, 63, 80, 71, 49, 36, 9, 10, 0, 1]

cp's OEIS Frontend

A341279 Triangle read by rows: T(n,k) = coefficient of x^n in expansion of (-1 + Product_{j>=1} 1 / (1 + (-x)^j))^k, n >= 0, 0 <= k <= n.

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	1
6	0
7	1
8	0
9	1
10	0
11	1
12	2
13	0
14	1
15	0
16	1
17	2
18	3
19	0
20	1
21	0
22	1
23	3
24	3
25	4
26	0
27	1
28	0
29	1
30	4
31	6
32	4
33	5
34	0
35	1
36	0
37	2
38	5
39	9
40	10
41	5
42	6
43	0
44	1
45	0
46	2
47	8
48	13
49	16
50	15
51	6
52	7
53	0
54	1
55	0
56	2
57	9
58	21
59	26
60	25
61	21
62	7
63	8
64	0
65	1
66	0
67	2
68	12
69	27
70	44
71	45
72	36
73	28
74	8
75	9
76	0
77	1
78	0
79	3
80	15
81	40
82	63
83	80
84	71
85	49
86	36
87	9
88	10
89	0
90	1

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	1
6	0
7	1
8	0
9	1
10	0
11	1
12	2
13	0
14	1
15	0
16	1
17	2
18	3
19	0
20	1
21	0
22	1
23	3
24	3
25	4
26	0
27	1
28	0
29	1
30	4
31	6
32	4
33	5
34	0
35	1
36	0
37	2
38	5
39	9
40	10
41	5
42	6
43	0
44	1
45	0
46	2
47	8
48	13
49	16
50	15
51	6
52	7
53	0
54	1
55	0
56	2
57	9
58	21
59	26
60	25
61	21
62	7
63	8
64	0
65	1
66	0
67	2
68	12
69	27
70	44
71	45
72	36
73	28
74	8
75	9
76	0
77	1
78	0
79	3
80	15
81	40
82	63
83	80
84	71
85	49
86	36
87	9
88	10
89	0
90	1

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	1
6	0
7	1
8	0
9	1
10	0
11	1
12	2
13	0
14	1
15	0
16	1
17	2
18	3
19	0
20	1
21	0
22	1
23	3
24	3
25	4
26	0
27	1
28	0
29	1
30	4
31	6
32	4
33	5
34	0
35	1
36	0
37	2
38	5
39	9
40	10
41	5
42	6
43	0
44	1
45	0
46	2
47	8
48	13
49	16
50	15
51	6
52	7
53	0
54	1
55	0
56	2
57	9
58	21
59	26
60	25
61	21
62	7
63	8
64	0
65	1
66	0
67	2
68	12
69	27
70	44
71	45
72	36
73	28
74	8
75	9
76	0
77	1
78	0
79	3
80	15
81	40
82	63
83	80
84	71
85	49
86	36
87	9
88	10
89	0
90	1