A277951 - cp's OEIS frontend

A277951 Triangle read by rows, in which row n gives coefficients in expansion of ((x^n - 1)/(x - 1))^6.

n	a(n)
1	1
2	1
3	6
4	15
5	20
6	15
7	6
8	1
9	1
10	6
11	21
12	50
13	90
14	126
15	141
16	126
17	90
18	50
19	21
20	6
21	1
22	1
23	6
24	21
25	56
26	120
27	216
28	336
29	456
30	546
31	580
32	546
33	456
34	336
35	216
36	120
37	56
38	21
39	6
40	1
41	1
42	6
43	21
44	56
45	126
46	246
47	426
48	666
49	951
50	1246
51	1506
52	1686
53	1751
54	1686
55	1506
56	1246
57	951
58	666
59	426
60	246
61	126
62	56
63	21
64	6
65	1

[1, 1, 6, 15, 20, 15, 6, 1, 1, 6, 21, 50, 90, 126, 141, 126, 90, 50, 21, 6, 1, 1, 6, 21, 56, 120, 216, 336, 456, 546, 580, 546, 456, 336, 216, 120, 56, 21, 6, 1, 1, 6, 21, 56, 126, 246, 426, 666, 951, 1246, 1506, 1686, 1751, 1686, 1506, 1246, 951, 666, 426, 246, 126, 56, 21, 6, 1]

cp's OEIS Frontend

A277951 Triangle read by rows, in which row n gives coefficients in expansion of ((x^n - 1)/(x - 1))^6.

Table of values

List of values