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A222065 a(n) = A143246(2n). 5

%I #11 Jun 30 2023 10:26:49

%S 2,12,2144,9277152,934520913216,2152453777211211412,

%T 112252999240982874562527216,131765033045251672652319572331061144,

%U 3467852755777932367855581588111341658695967892

%N a(n) = A143246(2n).

%H Ed Wynn, <a href="http://arxiv.org/abs/1402.0545">Enumeration of nonisomorphic Hamiltonian cycles on square grid graphs</a>, arXiv preprint arXiv:1402.0545 [math.CO], 2014.

%H <a href="/index/Gra#graphs">Index entries for sequences related to graphs, Hamiltonian</a>

%K nonn

%O 1,1

%A _N. J. A. Sloane_, Feb 08 2013

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)