%I #4 Aug 10 2023 13:13:41

%S 1,19,2352,100327566

%N Number of paths in the n-Pell graph.

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

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

%K nonn,more

%O 1,2

%A _Eric W. Weisstein_, Aug 10 2023