A309876 - cp's OEIS frontend

A309876 Number T(n,k) of k-uniform hypergraphs on n unlabeled nodes with at least one (possibly empty) hyperedge; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	3
9	1
10	1
11	4
12	10
13	4
14	1
15	1
16	5
17	33
18	33
19	5
20	1
21	1
22	6
23	155
24	2135
25	155
26	6
27	1
28	1
29	7
30	1043
31	7013319
32	7013319
33	1043
34	7
35	1
36	1
37	8
38	12345
39	1788782616655
40	29281354514767167
41	1788782616655
42	12345
43	8
44	1

[1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 10, 4, 1, 1, 5, 33, 33, 5, 1, 1, 6, 155, 2135, 155, 6, 1, 1, 7, 1043, 7013319, 7013319, 1043, 7, 1, 1, 8, 12345, 1788782616655, 29281354514767167, 1788782616655, 12345, 8, 1]

cp's OEIS Frontend

A309876 Number T(n,k) of k-uniform hypergraphs on n unlabeled nodes with at least one (possibly empty) hyperedge; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

Table of values

List of values