A368745 - cp's OEIS frontend

A368745 Triangular array read by rows: T(n, k) is the number of n X 2 Young tableaux with k vertical walls.

n	a(n)
0	1
1	1
2	2
3	2
4	6
5	6
6	5
7	20
8	30
9	20
10	14
11	70
12	140
13	140
14	70
15	42
16	252
17	630
18	840
19	630
20	252
21	132
22	924
23	2772
24	4620
25	4620
26	2772
27	924
28	429
29	3432
30	12012
31	24024
32	30030
33	24024
34	12012
35	3432
36	1430
37	12870
38	51480
39	120120
40	180180
41	180180
42	120120
43	51480
44	12870
45	4862
46	48620
47	218790
48	583440
49	1021020

[1, 1, 2, 2, 6, 6, 5, 20, 30, 20, 14, 70, 140, 140, 70, 42, 252, 630, 840, 630, 252, 132, 924, 2772, 4620, 4620, 2772, 924, 429, 3432, 12012, 24024, 30030, 24024, 12012, 3432, 1430, 12870, 51480, 120120, 180180, 180180, 120120, 51480, 12870, 4862, 48620, 218790, 583440, 1021020]

cp's OEIS Frontend

A368745 Triangular array read by rows: T(n, k) is the number of n X 2 Young tableaux with k vertical walls.

Table of values

List of values