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%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