A121436 - cp's OEIS frontend

A121436 Matrix inverse of triangle A122176, where A122176(n,k) = C( k*(k+1)/2 + n-k + 1, n-k) for n>=k>=0.

n	a(n)
0	1
1	-2
2	1
3	3
4	-3
5	1
6	-7
7	9
8	-5
9	1
10	26
11	-37
12	25
13	-8
14	1
15	-141
16	210
17	-155
18	60
19	-12
20	1
21	1034
22	-1575
23	1215
24	-516
25	126
26	-17
27	1
28	-9693
29	14943
30	-11806
31	5270
32	-1426
33	238
34	-23
35	1
36	111522
37	-173109
38	138660
39	-63696
40	18267
41	-3417
42	414
43	-30
44	1
45	-1528112
46	2381814
47	-1923765
48	899226
49	-267084
50	53431
51	-7337
52	675
53	-38
54	1

[1, -2, 1, 3, -3, 1, -7, 9, -5, 1, 26, -37, 25, -8, 1, -141, 210, -155, 60, -12, 1, 1034, -1575, 1215, -516, 126, -17, 1, -9693, 14943, -11806, 5270, -1426, 238, -23, 1, 111522, -173109, 138660, -63696, 18267, -3417, 414, -30, 1, -1528112, 2381814, -1923765, 899226, -267084, 53431, -7337, 675, -38, 1]

cp's OEIS Frontend

A121436 Matrix inverse of triangle A122176, where A122176(n,k) = C( k*(k+1)/2 + n-k + 1, n-k) for n>=k>=0.

Table of values

List of values