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Number of noncrossing path sets on 4*n nodes up to rotation with each path having exactly 4 nodes.
3

%I #7 May 03 2018 14:55:45

%S 1,3,36,960,35956,1588192,77381016,4031052368,220584971892,

%T 12535415236272,734006917110352,44036846006084336,2695712407044476920,

%U 167837690527630068192,10601944003900014217704,678116169233319969588160,43848248800067454244195956,2862607888444933662236506240

%N Number of noncrossing path sets on 4*n nodes up to rotation with each path having exactly 4 nodes.

%H Andrew Howroyd, <a href="/A303866/b303866.txt">Table of n, a(n) for n = 0..200</a>

%Y Column 4 of A303864.

%Y Cf. A303865, A303867.

%K nonn

%O 0,2

%A _Andrew Howroyd_, May 01 2018