A091811 - cp's OEIS frontend

A091811 Array read by rows: T(n,k) = binomial(n+k-2,k-1)binomial(2n-1,n-k).

n	a(n)
1	1
2	3
3	2
4	10
5	15
6	6
7	35
8	84
9	70
10	20
11	126
12	420
13	540
14	315
15	70
16	462
17	1980
18	3465
19	3080
20	1386
21	252
22	1716
23	9009
24	20020
25	24024
26	16380
27	6006
28	924
29	6435
30	40040
31	108108
32	163800
33	150150
34	83160
35	25740
36	3432
37	24310
38	175032
39	556920
40	1021020
41	1178100
42	875160

[1, 3, 2, 10, 15, 6, 35, 84, 70, 20, 126, 420, 540, 315, 70, 462, 1980, 3465, 3080, 1386, 252, 1716, 9009, 20020, 24024, 16380, 6006, 924, 6435, 40040, 108108, 163800, 150150, 83160, 25740, 3432, 24310, 175032, 556920, 1021020, 1178100, 875160]

cp's OEIS Frontend

A091811 Array read by rows: T(n,k) = binomial(n+k-2,k-1)binomial(2n-1,n-k).

Table of values

List of values

cp's OEIS Frontend

A091811 Array read by rows: T(n,k) = binomial(n+k-2,k-1)*binomial(2*n-1,n-k).

Table of values

List of values

A091811 Array read by rows: T(n,k) = binomial(n+k-2,k-1)binomial(2n-1,n-k).