A389189 Number of mutual-visibility sets in the n-trapezohedral graph.

181, 480, 1418, 4548, 15254, 52784, 186386, 666284, 2398206, 8661032

Offset

3,1

Links

Table of n, a(n) for n=3..12.

Eric Weisstein's World of Mathematics, Trapezohedral Graph.

Eric Weisstein's World of Mathematics, Visibility Polynomial.

Crossrefs

Sequence in context: A217499 A113156 A142391 * A142552 A211553 A253821

Adjacent sequences: A389186 A389187 A389188 * A389190 A389191 A389192

Keyword

nonn,more

Author

Eric W. Weisstein, Sep 25 2025

Status

approved