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%I #23 Nov 16 2023 18:34:17
%S 1,1,2,5,12,25,107,363,1248,4460
%N Erroneous version of A000104.
%H Lucia Moura and Ivan Stojmenovic, <a href="https://doi.org/10.1002/9780470175668.ch2">Backtracking and Isomorph-Free Generation of Polyhexes</a>, Table 2.2 on p. 55 of Handbook of Applied Algorithms (2008).
%K dead
%O 1,3
%A _Washington Bomfim_, Aug 06 2012