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%I #15 Feb 07 2017 10:23:07
%S 1,1,3,7,17,78,247,916,3301,11272,41854,150485,538585,1954912,6978464,
%T 25170446,90851829,326048198,1176355862,4230352602,15222263126,
%U 54855015353,197302183497,710556528403,2557837610375,9205575728179,33148388282116,119307072980025
%N Number of tilings of a 5 X n rectangle using n pentominoes of shapes P, I, N, T.
%H Alois P. Heinz, <a href="/A246764/b246764.txt">Table of n, a(n) for n = 0..1000</a>
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Pentomino">Pentomino</a>
%Y Cf. A174249, A233427, A247103, A247196.
%K nonn
%O 0,3
%A _Alois P. Heinz_, Nov 28 2014
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