A319120 - cp's OEIS frontend

A319120 T(n, k) = binomial(n - k - 1, k)binomial(2n - 2*k, n)/(n + 1), for n >= 1 and 0 <= k <= floor((n - 1)/2), triangle read by rows.

n	a(n)
1	1
2	2
3	5
4	1
5	14
6	6
7	42
8	28
9	1
10	132
11	120
12	12
13	429
14	495
15	90
16	1
17	1430
18	2002
19	550
20	20
21	4862
22	8008
23	3003
24	220
25	1
26	16796
27	31824
28	15288
29	1820
30	30
31	58786
32	125970
33	74256
34	12740
35	455
36	1
37	208012
38	497420
39	348840
40	79968
41	4900
42	42

[1, 2, 5, 1, 14, 6, 42, 28, 1, 132, 120, 12, 429, 495, 90, 1, 1430, 2002, 550, 20, 4862, 8008, 3003, 220, 1, 16796, 31824, 15288, 1820, 30, 58786, 125970, 74256, 12740, 455, 1, 208012, 497420, 348840, 79968, 4900, 42]

cp's OEIS Frontend

A319120 T(n, k) = binomial(n - k - 1, k)binomial(2n - 2*k, n)/(n + 1), for n >= 1 and 0 <= k <= floor((n - 1)/2), triangle read by rows.

Table of values

List of values

cp's OEIS Frontend

A319120 T(n, k) = binomial(n - k - 1, k)*binomial(2*n - 2*k, n)/(n + 1), for n >= 1 and 0 <= k <= floor((n - 1)/2), triangle read by rows.

Table of values

List of values

A319120 T(n, k) = binomial(n - k - 1, k)binomial(2n - 2*k, n)/(n + 1), for n >= 1 and 0 <= k <= floor((n - 1)/2), triangle read by rows.