A389188 Number of mutual-visibility sets in the n-web graph.

176, 874, 2067, 8692, 16018, 59236, 96245, 324704, 507982, 1598986, 2525174, 7527328, 12285768, 35068360

Offset

3,1

Links

Table of n, a(n) for n=3..16.

Eric Weisstein's World of Mathematics, Visibility Polynomial.

Eric Weisstein's World of Mathematics, Web Graph.

Crossrefs

Sequence in context: A376405 A075291 A200835 * A133063 A264892 A223611

Adjacent sequences: A389185 A389186 A389187 * A389189 A389190 A389191

Keyword

nonn,more

Author

Eric W. Weisstein, Sep 25 2025

Extensions

a(11) from Eric W. Weisstein, Oct 27 2025

a(12)-a(16) from Andrew Howroyd, Jan 13 2026

Status

approved