A331431 - cp's OEIS frontend

A331431 Triangle read by rows: T(n,k) = (-1)^(n+k)(n+k+1)binomial(n,k)*binomial(n+k,k) for n >= k >= 0.

n	a(n)
0	1
1	-2
2	6
3	3
4	-24
5	30
6	-4
7	60
8	-180
9	140
10	5
11	-120
12	630
13	-1120
14	630
15	-6
16	210
17	-1680
18	5040
19	-6300
20	2772
21	7
22	-336
23	3780
24	-16800
25	34650
26	-33264
27	12012
28	-8
29	504
30	-7560
31	46200
32	-138600
33	216216
34	-168168
35	51480
36	9
37	-720
38	13860
39	-110880
40	450450
41	-1009008
42	1261260
43	-823680
44	218790

[1, -2, 6, 3, -24, 30, -4, 60, -180, 140, 5, -120, 630, -1120, 630, -6, 210, -1680, 5040, -6300, 2772, 7, -336, 3780, -16800, 34650, -33264, 12012, -8, 504, -7560, 46200, -138600, 216216, -168168, 51480, 9, -720, 13860, -110880, 450450, -1009008, 1261260, -823680, 218790]

cp's OEIS Frontend

A331431 Triangle read by rows: T(n,k) = (-1)^(n+k)(n+k+1)binomial(n,k)*binomial(n+k,k) for n >= k >= 0.

Table of values

List of values

cp's OEIS Frontend

A331431 Triangle read by rows: T(n,k) = (-1)^(n+k)*(n+k+1)*binomial(n,k)*binomial(n+k,k) for n >= k >= 0.

Table of values

List of values

A331431 Triangle read by rows: T(n,k) = (-1)^(n+k)(n+k+1)binomial(n,k)*binomial(n+k,k) for n >= k >= 0.