A350571 - cp's OEIS frontend

A350571 Triangular array read by rows. T(n,k) is the number of unlabeled partial functions on [n] with exactly k undefined points, n>=0, 0<=k<=n.

n	a(n)
0	1
1	1
2	1
3	3
4	2
5	1
6	7
7	6
8	2
9	1
10	19
11	16
12	7
13	2
14	1
15	47
16	45
17	19
18	7
19	2
20	1
21	130
22	121
23	57
24	20
25	7
26	2
27	1
28	343
29	338
30	158
31	60
32	20
33	7
34	2
35	1
36	951
37	929
38	457
39	170
40	61
41	20
42	7
43	2
44	1
45	2615
46	2598
47	1286
48	498
49	173
50	61
51	20
52	7
53	2
54	1
55	7318
56	7261
57	3678
58	1421
59	510
60	174
61	61
62	20
63	7
64	2
65	1

[1, 1, 1, 3, 2, 1, 7, 6, 2, 1, 19, 16, 7, 2, 1, 47, 45, 19, 7, 2, 1, 130, 121, 57, 20, 7, 2, 1, 343, 338, 158, 60, 20, 7, 2, 1, 951, 929, 457, 170, 61, 20, 7, 2, 1, 2615, 2598, 1286, 498, 173, 61, 20, 7, 2, 1, 7318, 7261, 3678, 1421, 510, 174, 61, 20, 7, 2, 1]

cp's OEIS Frontend

A350571 Triangular array read by rows. T(n,k) is the number of unlabeled partial functions on [n] with exactly k undefined points, n>=0, 0<=k<=n.

Table of values

List of values