A316649 - cp's OEIS frontend

A316649 Triangle read by rows in which T(n,k) is the number of length k chains from (0,0) to (n,n) of the poset [n] X [n] ordered by the product order, 0 <= k <= 2n, n>=0.

n	a(n)
0	1
1	0
2	1
3	2
4	0
5	1
6	7
7	12
8	6
9	0
10	1
11	14
12	55
13	92
14	70
15	20
16	0
17	1
18	23
19	153
20	471
21	780
22	720
23	350
24	70
25	0
26	1
27	34
28	336
29	1584
30	4251
31	7002
32	7238
33	4592
34	1638
35	252
36	0
37	1
38	47
39	640
40	4210
41	16175
42	39733
43	65226
44	72660
45	54390
46	26250
47	7392
48	924
49	0
50	1
51	62
52	1107
53	9596
54	49225
55	164898
56	380731
57	623576
58	732618
59	614700
60	360162
61	140184
62	32604
63	3432

[1, 0, 1, 2, 0, 1, 7, 12, 6, 0, 1, 14, 55, 92, 70, 20, 0, 1, 23, 153, 471, 780, 720, 350, 70, 0, 1, 34, 336, 1584, 4251, 7002, 7238, 4592, 1638, 252, 0, 1, 47, 640, 4210, 16175, 39733, 65226, 72660, 54390, 26250, 7392, 924, 0, 1, 62, 1107, 9596, 49225, 164898, 380731, 623576, 732618, 614700, 360162, 140184, 32604, 3432]

cp's OEIS Frontend

A316649 Triangle read by rows in which T(n,k) is the number of length k chains from (0,0) to (n,n) of the poset [n] X [n] ordered by the product order, 0 <= k <= 2n, n>=0.

Table of values

List of values