A329874 - cp's OEIS frontend

A329874 Array read by antidiagonals: A(n,k) = number of digraphs on n unlabeled nodes, arbitrarily colored with k given colors (n >= 1, k >= 1).

n	a(n)
1	1
2	2
3	3
4	3
5	10
6	16
7	4
8	21
9	104
10	218
11	5
12	36
13	328
14	3044
15	9608
16	6
17	55
18	752
19	14814
20	291968
21	1540944
22	7
23	78
24	1440
25	45960
26	2183400
27	96928992
28	882033440
29	8
30	105
31	2456
32	111010
33	9133760
34	1098209328
35	112282908928
36	1793359192848

[1, 2, 3, 3, 10, 16, 4, 21, 104, 218, 5, 36, 328, 3044, 9608, 6, 55, 752, 14814, 291968, 1540944, 7, 78, 1440, 45960, 2183400, 96928992, 882033440, 8, 105, 2456, 111010, 9133760, 1098209328, 112282908928, 1793359192848]

cp's OEIS Frontend

A329874 Array read by antidiagonals: A(n,k) = number of digraphs on n unlabeled nodes, arbitrarily colored with k given colors (n >= 1, k >= 1).

Table of values

List of values