A168623 - cp's OEIS frontend

A168623 Triangle read by rows: T(n, k) = [x^k]( 9(1+x)^n - 8(1 + x^n) ), with T(0, 0) = 1.

n	a(n)
0	1
1	1
2	1
3	1
4	18
5	1
6	1
7	27
8	27
9	1
10	1
11	36
12	54
13	36
14	1
15	1
16	45
17	90
18	90
19	45
20	1
21	1
22	54
23	135
24	180
25	135
26	54
27	1
28	1
29	63
30	189
31	315
32	315
33	189
34	63
35	1
36	1
37	72
38	252
39	504
40	630
41	504
42	252
43	72
44	1
45	1
46	81
47	324
48	756
49	1134
50	1134
51	756
52	324
53	81
54	1
55	1
56	90
57	405
58	1080
59	1890
60	2268
61	1890
62	1080
63	405
64	90
65	1

[1, 1, 1, 1, 18, 1, 1, 27, 27, 1, 1, 36, 54, 36, 1, 1, 45, 90, 90, 45, 1, 1, 54, 135, 180, 135, 54, 1, 1, 63, 189, 315, 315, 189, 63, 1, 1, 72, 252, 504, 630, 504, 252, 72, 1, 1, 81, 324, 756, 1134, 1134, 756, 324, 81, 1, 1, 90, 405, 1080, 1890, 2268, 1890, 1080, 405, 90, 1]

cp's OEIS Frontend

A168623 Triangle read by rows: T(n, k) = [x^k]( 9(1+x)^n - 8(1 + x^n) ), with T(0, 0) = 1.

Table of values

List of values

cp's OEIS Frontend

A168623 Triangle read by rows: T(n, k) = [x^k]( 9*(1+x)^n - 8*(1 + x^n) ), with T(0, 0) = 1.

Table of values

List of values

A168623 Triangle read by rows: T(n, k) = [x^k]( 9(1+x)^n - 8(1 + x^n) ), with T(0, 0) = 1.