A144084 - cp's OEIS frontend

A144084 T(n,k) is the number of partial bijections of height k (height(alpha) = |Im(alpha)|) of an n-element set.

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	2
6	1
7	9
8	18
9	6
10	1
11	16
12	72
13	96
14	24
15	1
16	25
17	200
18	600
19	600
20	120
21	1
22	36
23	450
24	2400
25	5400
26	4320
27	720
28	1
29	49
30	882
31	7350
32	29400
33	52920
34	35280
35	5040
36	1
37	64
38	1568
39	18816
40	117600
41	376320
42	564480
43	322560
44	40320

[1, 1, 1, 1, 4, 2, 1, 9, 18, 6, 1, 16, 72, 96, 24, 1, 25, 200, 600, 600, 120, 1, 36, 450, 2400, 5400, 4320, 720, 1, 49, 882, 7350, 29400, 52920, 35280, 5040, 1, 64, 1568, 18816, 117600, 376320, 564480, 322560, 40320]

cp's OEIS Frontend

A144084 T(n,k) is the number of partial bijections of height k (height(alpha) = |Im(alpha)|) of an n-element set.

Table of values

List of values