A275385 - cp's OEIS frontend

A275385 Number of labeled functional digraphs on n nodes with only odd sized cycles and such that every vertex is at a distance of at most 1 from a cycle.

n	a(n)
0	1
1	1
2	3
3	12
4	73
5	580
6	5601
7	63994
8	844929
9	12647016
10	211616065
11	3914510446
12	79320037281
13	1747219469164
14	41569414869633
15	1062343684252530
16	29023112392093441
17	844101839207139280
18	26038508978625589377
19	849150487829425227094
20	29189561873274715264545

[1, 1, 3, 12, 73, 580, 5601, 63994, 844929, 12647016, 211616065, 3914510446, 79320037281, 1747219469164, 41569414869633, 1062343684252530, 29023112392093441, 844101839207139280, 26038508978625589377, 849150487829425227094, 29189561873274715264545]

cp's OEIS Frontend

A275385 Number of labeled functional digraphs on n nodes with only odd sized cycles and such that every vertex is at a distance of at most 1 from a cycle.

Table of values

List of values