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%I #9 Feb 07 2017 10:39:34
%S 1,0,0,0,0,10,0,0,0,0,350,0,0,0,296,8954,50,0,0,13516,242820,2760,0,
%T 5832,602980,6591140,126088,496,442978,22506998,179340480,4843754,
%U 147924,24885442,789989882,4891089138,172488058,13913138,1184576462,26387065880
%N Number of tilings of a 10 X n rectangle using 2n pentominoes of shape Y.
%H Alois P. Heinz, <a href="/A247118/b247118.txt">Table of n, a(n) for n = 0..100</a>
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Pentomino">Pentomino</a>
%Y Cf. A174249, A233427.
%K nonn
%O 0,6
%A _Alois P. Heinz_, Nov 19 2014