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%I #8 Feb 06 2017 18:38:52
%S 0,0,0,1,8,76,734,7414,71986,638499,5558790,47971603,410502410,
%T 3473846885,29078659564,241699322196,1997778940804,16429720592636,
%U 134489816829048,1096404231410945,8906880161717904,72131791267258552,582512418898356698,4692186192041626600
%N Number of tilings of a 5 X n rectangle using n pentominoes of any shape including exactly one X shape.
%H Alois P. Heinz, <a href="/A247828/b247828.txt">Table of n, a(n) for n = 0..500</a>
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Pentomino">Pentomino</a>
%e a(3) = 1:
%e ._____.
%e | ._. |
%e |_| |_|
%e |_. ._|
%e | |_| |
%e |_____| .
%Y Column k=1 of A247711.
%K nonn
%O 0,5
%A _Alois P. Heinz_, Sep 24 2014