A331127 Number of n-regular hypergraphs on 5 labeled vertices.

1, 52, 1088, 11301, 67198, 250735, 621348, 1058139, 1261184, 1058139, 621348, 250735, 67198, 11301, 1088, 52, 1

Offset

0,2

Comments

The sums of all terms is 5280908 = A319190(5) + 1. The extra 1 comes from the empty hypergraph.

Links

Table of n, a(n) for n=0..16.

Crossrefs

Column k=5 of A188445.

Cf. A319190, A331129.

Sequence in context: A273655 A160288 A133238 * A216939 A130000 A160153

Adjacent sequences: A331124 A331125 A331126 * A331128 A331129 A331130

Keyword

nonn,full,fini

Author

Andrew Howroyd, Jan 10 2020

Status

approved