A181567 - cp's OEIS frontend

A181567 Triangle read by rows: T(n,k) is coefficient of k-th power in expansion of ((x^(n+1)-1)/(x-1))^n.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	3
6	2
7	1
8	1
9	3
10	6
11	10
12	12
13	12
14	10
15	6
16	3
17	1
18	1
19	4
20	10
21	20
22	35
23	52
24	68
25	80
26	85
27	80
28	68
29	52
30	35
31	20
32	10
33	4
34	1
35	1
36	5
37	15
38	35
39	70
40	126
41	205
42	305
43	420
44	540
45	651
46	735
47	780
48	780
49	735
50	651
51	540
52	420
53	305
54	205
55	126
56	70
57	35
58	15
59	5
60	1
61	1
62	6
63	21
64	56
65	126
66	252
67	462
68	786
69	1251

[1, 1, 1, 1, 2, 3, 2, 1, 1, 3, 6, 10, 12, 12, 10, 6, 3, 1, 1, 4, 10, 20, 35, 52, 68, 80, 85, 80, 68, 52, 35, 20, 10, 4, 1, 1, 5, 15, 35, 70, 126, 205, 305, 420, 540, 651, 735, 780, 780, 735, 651, 540, 420, 305, 205, 126, 70, 35, 15, 5, 1, 1, 6, 21, 56, 126, 252, 462, 786, 1251]

cp's OEIS Frontend

A181567 Triangle read by rows: T(n,k) is coefficient of k-th power in expansion of ((x^(n+1)-1)/(x-1))^n.

Table of values

List of values