cp's OEIS Frontend

A278877 Number of tilings of a 6 X n rectangle using pentominoes of any shape and monominoes.

%I A278877 #8 Feb 06 2017 12:29:02
%S A278877 1,3,155,11914,728857,42238426,2492016728,147382229321,8704392890599,
%T A278877 514207059584879,30367424047335204,1793195869965086337,
%U A278877 105893252956708204722,6253339527216096201144,369279138864066223011929,21807048314051213226593407
%N A278877 Number of tilings of a 6 X n rectangle using pentominoes of any shape and monominoes.
%H A278877 Alois P. Heinz, <a href="/A278877/b278877.txt">Table of n, a(n) for n = 0..300</a>
%H A278877 Wikipedia, <a href="https://en.wikipedia.org/wiki/Pentomino">Pentomino</a>
%e A278877 a(1) = 3:
%e A278877 ._.   ._.   ._.
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%e A278877 |_|   |_|   |_|  .
%Y A278877 Column k=6 of A278657.
%K A278877 nonn
%O A278877 0,2
%A A278877 _Alois P. Heinz_, Nov 29 2016