A098639 - cp's OEIS frontend

A098639 Consider the family of directed multigraphs enriched by the species of odd sets. Sequence gives number of those multigraphs with n labeled arcs.

n	a(n)
0	1
1	1
2	6
3	69
4	1230
5	30663
6	1005692
7	41571127
8	2099861244
9	126607647073
10	8945129371976
11	729628409684925
12	67868881258920424
13	7125522244948969319
14	837004398237510194704
15	109173596976047915341823
16	15708090522743045757716496
17	2478722722731315203268137729

[1, 1, 6, 69, 1230, 30663, 1005692, 41571127, 2099861244, 126607647073, 8945129371976, 729628409684925, 67868881258920424, 7125522244948969319, 837004398237510194704, 109173596976047915341823, 15708090522743045757716496, 2478722722731315203268137729]

cp's OEIS Frontend

A098639 Consider the family of directed multigraphs enriched by the species of odd sets. Sequence gives number of those multigraphs with n labeled arcs.

Table of values

List of values