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A247774 Number of tilings of a 5 X n rectangle using pentominoes of any but the W shape. 2

%I

%S 1,1,5,56,461,3558,23966,178127,1362597,10194184,75684682,561877016,

%T 4192125848,31292310312,233221376211,1737652233817,12950437458383,

%U 96538803978663,719609376905074,5363567352622148,39977107204818978,297975192242698825,2221015587432193750

%N Number of tilings of a 5 X n rectangle using pentominoes of any but the W shape.

%H Alois P. Heinz, <a href="/A247774/b247774.txt">Table of n, a(n) for n = 0..500</a>

%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Pentomino">Pentomino</a>

%Y Column k=0 of A247710.

%Y Cf. A174249, A233427.

%K nonn

%O 0,3

%A _Alois P. Heinz_, Sep 23 2014

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Last modified February 25 07:29 EST 2021. Contains 341596 sequences. (Running on oeis4.)