A176861 - cp's OEIS frontend

A176861 Triangle T(n, k) = (-1)^n(k+1)!(n-k+1)!binomial(n+2, k+2)binomial(n+2, n-k+2) read by rows.

n	a(n)
0	1
1	-6
2	-6
3	36
4	64
5	36
6	-240
7	-600
8	-600
9	-240
10	1800
11	5760
12	8100
13	5760
14	1800
15	-15120
16	-58800
17	-105840
18	-105840
19	-58800
20	-15120
21	141120
22	645120
23	1411200
24	1806336
25	1411200
26	645120
27	141120
28	-1451520
29	-7620480
30	-19595520
31	-30481920
32	-30481920
33	-19595520
34	-7620480
35	-1451520

[1, -6, -6, 36, 64, 36, -240, -600, -600, -240, 1800, 5760, 8100, 5760, 1800, -15120, -58800, -105840, -105840, -58800, -15120, 141120, 645120, 1411200, 1806336, 1411200, 645120, 141120, -1451520, -7620480, -19595520, -30481920, -30481920, -19595520, -7620480, -1451520]

cp's OEIS Frontend

A176861 Triangle T(n, k) = (-1)^n(k+1)!(n-k+1)!binomial(n+2, k+2)binomial(n+2, n-k+2) read by rows.

Table of values

List of values

cp's OEIS Frontend

A176861 Triangle T(n, k) = (-1)^n*(k+1)!*(n-k+1)!*binomial(n+2, k+2)*binomial(n+2, n-k+2) read by rows.

Table of values

List of values

A176861 Triangle T(n, k) = (-1)^n(k+1)!(n-k+1)!binomial(n+2, k+2)binomial(n+2, n-k+2) read by rows.