A389188 - OEIS

%I #18 Jan 13 2026 16:15:06

%S 176,874,2067,8692,16018,59236,96245,324704,507982,1598986,2525174,

%T 7527328,12285768,35068360

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

%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/VisibilityPolynomial.html">Visibility Polynomial</a>.

%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/WebGraph.html">Web Graph</a>.

%K nonn,more

%O 3,1

%A _Eric W. Weisstein_, Sep 25 2025

%E a(11) from _Eric W. Weisstein_, Oct 27 2025

%E a(12)-a(16) from _Andrew Howroyd_, Jan 13 2026