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%I #14 Oct 08 2017 05:15:57
%S 1,8,152,3594,96105,2734356,81126946,2480378897,77597683206,
%T 2472038270424
%N Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 3.
%H S. Eilers, <a href="http://www.jstor.org/stable/10.4169/amer.math.monthly.123.5.415">The LEGO counting problem</a>, Amer. Math. Monthly, 123 (May 2016), 415-426.
%H <a href="/wiki/Index_to_OEIS:_Section_Lc#LEGO">Index entry for sequences related to LEGO blocks</a>
%Y Cf. A112389, A123762-A123827, A123829-A123849.
%K nonn,hard,more
%O 1,2
%A _Søren Eilers_, Oct 29 2006
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