A337192 - cp's OEIS frontend

A337192 Triangular array read by rows. T(n,k) is the number of elements of rank k in the order complex of the poset P = [n] X [n], n=0, k=0 or n>0, 0<=k<=2n-1.

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	5
6	2
7	1
8	9
9	27
10	37
11	24
12	6
13	1
14	16
15	84
16	216
17	309
18	252
19	110
20	20
21	1
22	25
23	200
24	800
25	1875
26	2751
27	2570
28	1490
29	490
30	70
31	1
32	36
33	405
34	2290
35	7755
36	17088
37	25493
38	26070
39	18060
40	8120
41	2142
42	252
43	1
44	49
45	735
46	5537
47	25235
48	76293
49	160867
50	242845
51	264936
52	207690
53	114282
54	41958
55	9240
56	924

[1, 1, 1, 1, 4, 5, 2, 1, 9, 27, 37, 24, 6, 1, 16, 84, 216, 309, 252, 110, 20, 1, 25, 200, 800, 1875, 2751, 2570, 1490, 490, 70, 1, 36, 405, 2290, 7755, 17088, 25493, 26070, 18060, 8120, 2142, 252, 1, 49, 735, 5537, 25235, 76293, 160867, 242845, 264936, 207690, 114282, 41958, 9240, 924]

cp's OEIS Frontend

A337192 Triangular array read by rows. T(n,k) is the number of elements of rank k in the order complex of the poset P = [n] X [n], n=0, k=0 or n>0, 0<=k<=2n-1.

Table of values

List of values