A221833 - cp's OEIS frontend

A221833 Triangle, read by rows, where T(n,k) = [x^n] x^k*(1-x^k)^(k-1) / (1-x)^(k-1) for n>=k>=1.

n	a(n)
1	1
2	0
3	1
4	0
5	1
6	1
7	0
8	0
9	2
10	1
11	0
12	0
13	3
14	3
15	1
16	0
17	0
18	2
19	6
20	4
21	1
22	0
23	0
24	1
25	10
26	10
27	5
28	1
29	0
30	0
31	0
32	12
33	20
34	15
35	6
36	1
37	0
38	0
39	0
40	12
41	35
42	35
43	21
44	7
45	1
46	0
47	0
48	0
49	10
50	52
51	70
52	56
53	28
54	8
55	1
56	0
57	0
58	0
59	6
60	68
61	126
62	126
63	84
64	36
65	9
66	1
67	0
68	0
69	0
70	3
71	80
72	205
73	252
74	210
75	120
76	45
77	10
78	1

[1, 0, 1, 0, 1, 1, 0, 0, 2, 1, 0, 0, 3, 3, 1, 0, 0, 2, 6, 4, 1, 0, 0, 1, 10, 10, 5, 1, 0, 0, 0, 12, 20, 15, 6, 1, 0, 0, 0, 12, 35, 35, 21, 7, 1, 0, 0, 0, 10, 52, 70, 56, 28, 8, 1, 0, 0, 0, 6, 68, 126, 126, 84, 36, 9, 1, 0, 0, 0, 3, 80, 205, 252, 210, 120, 45, 10, 1]

cp's OEIS Frontend

A221833 Triangle, read by rows, where T(n,k) = [x^n] x^k*(1-x^k)^(k-1) / (1-x)^(k-1) for n>=k>=1.

Table of values

List of values

n	a(n)
1	1
2	0
3	1
4	0
5	1
6	1
7	0
8	0
9	2
10	1
11	0
12	0
13	3
14	3
15	1
16	0
17	0
18	2
19	6
20	4
21	1
22	0
23	0
24	1
25	10
26	10
27	5
28	1
29	0
30	0
31	0
32	12
33	20
34	15
35	6
36	1
37	0
38	0
39	0
40	12
41	35
42	35
43	21
44	7
45	1
46	0
47	0
48	0
49	10
50	52
51	70
52	56
53	28
54	8
55	1
56	0
57	0
58	0
59	6
60	68
61	126
62	126
63	84
64	36
65	9
66	1
67	0
68	0
69	0
70	3
71	80
72	205
73	252
74	210
75	120
76	45
77	10
78	1

n	a(n)
1	1
2	0
3	1
4	0
5	1
6	1
7	0
8	0
9	2
10	1
11	0
12	0
13	3
14	3
15	1
16	0
17	0
18	2
19	6
20	4
21	1
22	0
23	0
24	1
25	10
26	10
27	5
28	1
29	0
30	0
31	0
32	12
33	20
34	15
35	6
36	1
37	0
38	0
39	0
40	12
41	35
42	35
43	21
44	7
45	1
46	0
47	0
48	0
49	10
50	52
51	70
52	56
53	28
54	8
55	1
56	0
57	0
58	0
59	6
60	68
61	126
62	126
63	84
64	36
65	9
66	1
67	0
68	0
69	0
70	3
71	80
72	205
73	252
74	210
75	120
76	45
77	10
78	1

n	a(n)
1	1
2	0
3	1
4	0
5	1
6	1
7	0
8	0
9	2
10	1
11	0
12	0
13	3
14	3
15	1
16	0
17	0
18	2
19	6
20	4
21	1
22	0
23	0
24	1
25	10
26	10
27	5
28	1
29	0
30	0
31	0
32	12
33	20
34	15
35	6
36	1
37	0
38	0
39	0
40	12
41	35
42	35
43	21
44	7
45	1
46	0
47	0
48	0
49	10
50	52
51	70
52	56
53	28
54	8
55	1
56	0
57	0
58	0
59	6
60	68
61	126
62	126
63	84
64	36
65	9
66	1
67	0
68	0
69	0
70	3
71	80
72	205
73	252
74	210
75	120
76	45
77	10
78	1