A361840 - cp's OEIS frontend

A361840 Square array T(n,k), n>=0, k>=0, read by antidiagonals downwards, where column k is the expansion of 1/(1 - 9x(1 - x)^k)^(1/3).

n	a(n)
0	1
1	1
2	3
3	1
4	3
5	18
6	1
7	3
8	15
9	126
10	1
11	3
12	12
13	90
14	945
15	1
16	3
17	9
18	57
19	585
20	7371
21	1
22	3
23	6
24	27
25	297
26	3969
27	58968
28	1
29	3
30	3
31	0
32	78
33	1629
34	27657
35	480168
36	1
37	3
38	0
39	-24
40	-75
41	207
42	9216
43	196290
44	3961386
45	1
46	3
47	-3
48	-45
49	-165
50	-438
51	459
52	53217
53	1411965
54	33011550

[1, 1, 3, 1, 3, 18, 1, 3, 15, 126, 1, 3, 12, 90, 945, 1, 3, 9, 57, 585, 7371, 1, 3, 6, 27, 297, 3969, 58968, 1, 3, 3, 0, 78, 1629, 27657, 480168, 1, 3, 0, -24, -75, 207, 9216, 196290, 3961386, 1, 3, -3, -45, -165, -438, 459, 53217, 1411965, 33011550]

cp's OEIS Frontend

A361840 Square array T(n,k), n>=0, k>=0, read by antidiagonals downwards, where column k is the expansion of 1/(1 - 9x(1 - x)^k)^(1/3).

Table of values

List of values

cp's OEIS Frontend

A361840 Square array T(n,k), n>=0, k>=0, read by antidiagonals downwards, where column k is the expansion of 1/(1 - 9*x*(1 - x)^k)^(1/3).

Table of values

List of values

A361840 Square array T(n,k), n>=0, k>=0, read by antidiagonals downwards, where column k is the expansion of 1/(1 - 9x(1 - x)^k)^(1/3).