A193357 - cp's OEIS frontend

A193357 Triangle read by rows: T(n,k) (n>=1, 1 <= k <= n) = number of n-element unlabeled rigid interval posets of height k.

n	a(n)
1	1
2	0
3	1
4	0
5	1
6	1
7	0
8	1
9	3
10	1
11	0
12	1
13	8
14	6
15	1
16	0
17	1
18	20
19	29
20	10
21	1
22	0
23	1
24	51
25	128
26	75
27	15
28	1
29	0
30	1
31	134
32	555
33	500
34	160
35	21
36	1
37	0
38	1
39	367
40	2427
41	3190
42	1480
43	301
44	28
45	1
46	0
47	1
48	1048
49	10864
50	20129
51	12835
52	3661
53	518
54	36
55	1
56	0
57	1
58	3119
59	50145
60	127912
61	108308
62	41041
63	7980
64	834
65	45
66	1
67	0
68	1
69	9655
70	239581
71	827053
72	907923
73	441553
74	111671
75	15828
76	1275
77	55
78	1

[1, 0, 1, 0, 1, 1, 0, 1, 3, 1, 0, 1, 8, 6, 1, 0, 1, 20, 29, 10, 1, 0, 1, 51, 128, 75, 15, 1, 0, 1, 134, 555, 500, 160, 21, 1, 0, 1, 367, 2427, 3190, 1480, 301, 28, 1, 0, 1, 1048, 10864, 20129, 12835, 3661, 518, 36, 1, 0, 1, 3119, 50145, 127912, 108308, 41041, 7980, 834, 45, 1, 0, 1, 9655, 239581, 827053, 907923, 441553, 111671, 15828, 1275, 55, 1]

cp's OEIS Frontend

A193357 Triangle read by rows: T(n,k) (n>=1, 1 <= k <= n) = number of n-element unlabeled rigid interval posets of height k.

Table of values

List of values