%I
%S 1,1,3,5,19,74,219,628,1749,5486,17448,53383,160169,479908,1468366,
%T 4512092,13782535,41855766,127112554,387469920,1182800866,3606789463,
%U 10983721059,33445214911,101911804705,310658892951,946813182854,2884825285301,8789233684468
%N Number of tilings of a 5 X n rectangle using n pentominoes of shapes F, I, L, U.
%H Alois P. Heinz, <a href="/A251617/b251617.txt">Table of n, a(n) for n = 0..1000</a>
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Pentomino">Pentomino</a>
%e a(4) = 19 = 13 + 4 + 2 = A249762(4) + 4 + 2:
%e ._______. ._______.
%e _____.   ._____
%e   .__ _ ._. 
%e   _.   _ _
%e  ___  _____ 
%e ______ (4) _______ (2) .
%Y Cf. A174249, A233427, A247443, A247680, A249762, A251737.
%K nonn
%O 0,3
%A _Alois P. Heinz_, Dec 05 2014
