A156789 - cp's OEIS frontend

A156789 Irregular triangle, read by rows, T(n, k) = binomial(2n, k)binomial(2*k, k).

n	a(n)
0	1
1	1
2	4
3	6
4	1
5	8
6	36
7	80
8	70
9	1
10	12
11	90
12	400
13	1050
14	1512
15	924
16	1
17	16
18	168
19	1120
20	4900
21	14112
22	25872
23	27456
24	12870
25	1
26	20
27	270
28	2400
29	14700
30	63504
31	194040
32	411840
33	579150
34	486200
35	184756
36	1
37	24
38	396
39	4400
40	34650
41	199584
42	853776
43	2718144
44	6370650
45	10696400
46	12193896
47	8465184
48	2704156

[1, 1, 4, 6, 1, 8, 36, 80, 70, 1, 12, 90, 400, 1050, 1512, 924, 1, 16, 168, 1120, 4900, 14112, 25872, 27456, 12870, 1, 20, 270, 2400, 14700, 63504, 194040, 411840, 579150, 486200, 184756, 1, 24, 396, 4400, 34650, 199584, 853776, 2718144, 6370650, 10696400, 12193896, 8465184, 2704156]

cp's OEIS Frontend

A156789 Irregular triangle, read by rows, T(n, k) = binomial(2n, k)binomial(2*k, k).

Table of values

List of values

cp's OEIS Frontend

A156789 Irregular triangle, read by rows, T(n, k) = binomial(2*n, k)*binomial(2*k, k).

Table of values

List of values

A156789 Irregular triangle, read by rows, T(n, k) = binomial(2n, k)binomial(2*k, k).