A361956 - cp's OEIS frontend

A361956 Triangle read by rows: T(n,k) is the number of labeled tiered posets with n elements and height k.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	2
6	0
7	1
8	6
9	6
10	0
11	1
12	50
13	36
14	24
15	0
16	1
17	510
18	510
19	240
20	120
21	0
22	1
23	7682
24	10620
25	4800
26	1800
27	720
28	0
29	1
30	161406
31	312606
32	136920
33	47040
34	15120
35	5040
36	0
37	1
38	4747010
39	13439076
40	5630184
41	1678320
42	493920
43	141120
44	40320
45	0
46	1
47	194342910
48	821218110
49	319384800
50	83963880
51	21137760
52	5594400
53	1451520
54	362880

[1, 0, 1, 0, 1, 2, 0, 1, 6, 6, 0, 1, 50, 36, 24, 0, 1, 510, 510, 240, 120, 0, 1, 7682, 10620, 4800, 1800, 720, 0, 1, 161406, 312606, 136920, 47040, 15120, 5040, 0, 1, 4747010, 13439076, 5630184, 1678320, 493920, 141120, 40320, 0, 1, 194342910, 821218110, 319384800, 83963880, 21137760, 5594400, 1451520, 362880]

cp's OEIS Frontend

A361956 Triangle read by rows: T(n,k) is the number of labeled tiered posets with n elements and height k.

Table of values

List of values