A326965 - cp's OEIS frontend

A326965 Number of set-systems on n vertices where every covered vertex is the unique common element of some subset of the edges.

n	a(n)
0	1
1	2
2	5
3	46
4	19181
5	2010327182
6	9219217424630040409
7	170141181796805106025395618012972506978
8	57896044618658097536026644159052312978532934306727333157337631572314050272137

[1, 2, 5, 46, 19181, 2010327182, 9219217424630040409, 170141181796805106025395618012972506978, 57896044618658097536026644159052312978532934306727333157337631572314050272137]

cp's OEIS Frontend

A326965 Number of set-systems on n vertices where every covered vertex is the unique common element of some subset of the edges.

Table of values

List of values