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Number of (undirected) paths in the n X n king graph.
9

%I #8 Feb 16 2025 08:33:47

%S 0,30,5148,6014812,57533191444,4956907379126694,

%T 3954100866385811897908,29986588563791584765930866780,

%U 2187482261973324160097873804506155572,1550696105068168200375810546149511240714556526

%N Number of (undirected) paths in the n X n king graph.

%C Paths of length zero are not counted here. - _Andrew Howroyd_, Jun 10 2017

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

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

%Y Cf. A236690, A288032, A288148, A234622, A158651, A140519.

%K nonn,more,changed

%O 1,2

%A _Eric W. Weisstein_, Jun 04 2017

%E a(5)-a(10) from _Andrew Howroyd_, Jun 10 2017