A193387 - cp's OEIS frontend

A193387 Triangle read by rows: T(n,k) (n>=1, 1 <= k <= n) = number of n-element unlabeled interval posets of height k.

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	1
7	1
8	7
9	6
10	1
11	1
12	15
13	26
14	10
15	1
16	1
17	31
18	100
19	69
20	15
21	1
22	1
23	63
24	366
25	412
26	150
27	21
28	1
29	1
30	127
31	1317
32	2305
33	1270
34	286
35	28
36	1
37	1
38	255
39	4743
40	12551
41	9920
42	3236
43	497
44	36
45	1
46	1
47	511
48	17275
49	67933
50	74525
51	33301
52	7210
53	806
54	45
55	1
56	1
57	1023
58	64029
59	370168
60	551232
61	325860
62	93926
63	14540
64	1239
65	55
66	1
67	1
68	2047
69	242371
70	2046980
71	4072130
72	3109628
73	1151416
74	232891
75	27147
76	1825
77	66
78	1

[1, 1, 1, 1, 3, 1, 1, 7, 6, 1, 1, 15, 26, 10, 1, 1, 31, 100, 69, 15, 1, 1, 63, 366, 412, 150, 21, 1, 1, 127, 1317, 2305, 1270, 286, 28, 1, 1, 255, 4743, 12551, 9920, 3236, 497, 36, 1, 1, 511, 17275, 67933, 74525, 33301, 7210, 806, 45, 1, 1, 1023, 64029, 370168, 551232, 325860, 93926, 14540, 1239, 55, 1, 1, 2047, 242371, 2046980, 4072130, 3109628, 1151416, 232891, 27147, 1825, 66, 1]

cp's OEIS Frontend

A193387 Triangle read by rows: T(n,k) (n>=1, 1 <= k <= n) = number of n-element unlabeled interval posets of height k.

Table of values

List of values