A155497 - cp's OEIS frontend

A155497 Triangle T(n, k) = binomial(n, k)binomial(n+1, k+1)binomial(2n, 2k)/(n-k+1), read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	18
5	1
6	1
7	90
8	90
9	1
10	1
11	280
12	1400
13	280
14	1
15	1
16	675
17	10500
18	10500
19	675
20	1
21	1
22	1386
23	51975
24	161700
25	51975
26	1386
27	1
28	1
29	2548
30	196196
31	1471470
32	1471470
33	196196
34	2548
35	1
36	1
37	4320
38	611520
39	9417408
40	22702680
41	9417408
42	611520
43	4320
44	1
45	1
46	6885
47	1652400
48	46781280
49	231567336
50	231567336
51	46781280
52	1652400
53	6885
54	1

[1, 1, 1, 1, 18, 1, 1, 90, 90, 1, 1, 280, 1400, 280, 1, 1, 675, 10500, 10500, 675, 1, 1, 1386, 51975, 161700, 51975, 1386, 1, 1, 2548, 196196, 1471470, 1471470, 196196, 2548, 1, 1, 4320, 611520, 9417408, 22702680, 9417408, 611520, 4320, 1, 1, 6885, 1652400, 46781280, 231567336, 231567336, 46781280, 1652400, 6885, 1]

cp's OEIS Frontend

A155497 Triangle T(n, k) = binomial(n, k)binomial(n+1, k+1)binomial(2n, 2k)/(n-k+1), read by rows.

Table of values

List of values

cp's OEIS Frontend

A155497 Triangle T(n, k) = binomial(n, k)*binomial(n+1, k+1)*binomial(2*n, 2*k)/(n-k+1), read by rows.

Table of values

List of values

A155497 Triangle T(n, k) = binomial(n, k)binomial(n+1, k+1)binomial(2n, 2k)/(n-k+1), read by rows.