A183153 - cp's OEIS frontend

A183153 T(n,k) is the number of order-preserving partial isometries of an n-chain of height k (height of alpha = |Im(alpha)|).

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	1
6	1
7	9
8	5
9	1
10	1
11	16
12	14
13	6
14	1
15	1
16	25
17	30
18	20
19	7
20	1
21	1
22	36
23	55
24	50
25	27
26	8
27	1
28	1
29	49
30	91
31	105
32	77
33	35
34	9
35	1
36	1
37	64
38	140
39	196
40	182
41	112
42	44
43	10
44	1
45	1
46	81
47	204
48	336
49	378
50	294
51	156
52	54
53	11
54	1
55	1
56	100
57	285
58	540
59	714
60	672
61	450
62	210
63	65
64	12
65	1
66	1
67	121
68	385
69	825
70	1254
71	1386
72	1122
73	660

[1, 1, 1, 1, 4, 1, 1, 9, 5, 1, 1, 16, 14, 6, 1, 1, 25, 30, 20, 7, 1, 1, 36, 55, 50, 27, 8, 1, 1, 49, 91, 105, 77, 35, 9, 1, 1, 64, 140, 196, 182, 112, 44, 10, 1, 1, 81, 204, 336, 378, 294, 156, 54, 11, 1, 1, 100, 285, 540, 714, 672, 450, 210, 65, 12, 1, 1, 121, 385, 825, 1254, 1386, 1122, 660]

cp's OEIS Frontend

A183153 T(n,k) is the number of order-preserving partial isometries of an n-chain of height k (height of alpha = |Im(alpha)|).

Table of values

List of values