A328773 - cp's OEIS frontend

A328773 Irregular triangle read by rows: T(n,k) is the number of colored digraphs on n nodes with color scheme given by the partitions of n in canonical ordering.

n	a(n)
0	1
1	1
2	3
3	4
4	16
5	36
6	64
7	218
8	752
9	1104
10	2112
11	4096
12	9608
13	45960
14	90416
15	178944
16	266496
17	528384
18	1048576
19	1540944
20	9133760
21	22692704
22	45277312
23	30194176
24	90196736
25	180011008
26	135032832
27	269500416
28	537919488
29	1073741824

[1, 1, 3, 4, 16, 36, 64, 218, 752, 1104, 2112, 4096, 9608, 45960, 90416, 178944, 266496, 528384, 1048576, 1540944, 9133760, 22692704, 45277312, 30194176, 90196736, 180011008, 135032832, 269500416, 537919488, 1073741824]

cp's OEIS Frontend

A328773 Irregular triangle read by rows: T(n,k) is the number of colored digraphs on n nodes with color scheme given by the partitions of n in canonical ordering.

Table of values

List of values