A112911 - cp's OEIS frontend

A112911 Triangle T, read by rows, such that the matrix inverse satisfies: [T^-1](n,k) = -(k+1)*T(n-1,0) for n>k>=0, with T(n,n)=1 for n>=0.

n	a(n)
0	1
1	1
2	1
3	3
4	2
5	1
6	14
7	8
8	3
9	1
10	85
11	44
12	15
13	4
14	1
15	621
16	298
17	96
18	24
19	5
20	1
21	5236
22	2358
23	729
24	176
25	35
26	6
27	1
28	49680
29	21154
30	6327
31	1492
32	290
33	48
34	7
35	1
36	521721
37	211100
38	61380
39	14220
40	2725
41	444
42	63
43	8
44	1
45	5994155
46	2313030
47	655944
48	149812
49	28425
50	4590
51	644
52	80
53	9
54	1

[1, 1, 1, 3, 2, 1, 14, 8, 3, 1, 85, 44, 15, 4, 1, 621, 298, 96, 24, 5, 1, 5236, 2358, 729, 176, 35, 6, 1, 49680, 21154, 6327, 1492, 290, 48, 7, 1, 521721, 211100, 61380, 14220, 2725, 444, 63, 8, 1, 5994155, 2313030, 655944, 149812, 28425, 4590, 644, 80, 9, 1]

cp's OEIS Frontend

A112911 Triangle T, read by rows, such that the matrix inverse satisfies: [T^-1](n,k) = -(k+1)*T(n-1,0) for n>k>=0, with T(n,n)=1 for n>=0.

Table of values

List of values