|
%I #9 Jun 26 2017 01:26:51
%S 1,1,5,22,1250,24236,4851360,190497926,83943993818,5303141087778,
%T 4173873098644366,378359478068949014,472112409203884877570,
%U 57309542487149770566536,104912731359552572271902248,16280064095604977906371524266,41397926646267697867589499650186
%N Number of horizontal, vertical, diagonal and antidiagonal neighbor colorings of the odd squares of an n X 5 array with new integer colors introduced in row major order.
%H Andrew Howroyd, <a href="/A215742/b215742.txt">Table of n, a(n) for n = 0..50</a>
%e Some solutions for n=3:
%e ..x..0..x..1..x....x..0..x..1..x....x..0..x..1..x....x..0..x..1..x
%e ..2..x..3..x..2....2..x..3..x..4....2..x..3..x..0....2..x..3..x..4
%e ..x..4..x..0..x....x..5..x..0..x....x..4..x..5..x....x..4..x..5..x
%Y Column 5 of A215745.
%K nonn
%O 0,3
%A _R. H. Hardin_, Aug 22 2012
%E a(0)=1 prepended and terms a(10) and beyond from _Andrew Howroyd_, Jun 25 2017
| 