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A215743 Number of horizontal, vertical, diagonal and antidiagonal neighbor colorings of the odd squares of an n X 6 array with new integer colors introduced in row major order. 2

%I

%S 1,2,15,364,29084,4851360,1396243937,621070325112,397357555166874,

%T 347527814415145984,399998919849572992699,588252794234398220649896,

%U 1079540725180986409339750810,2424777953471684438806091877856,6559018912065982947335186853751568

%N Number of horizontal, vertical, diagonal and antidiagonal neighbor colorings of the odd squares of an n X 6 array with new integer colors introduced in row major order.

%H Andrew Howroyd, <a href="/A215743/b215743.txt">Table of n, a(n) for n = 0..50</a>

%e Some solutions for n=3:

%e ..x..0..x..1..x..2....x..0..x..1..x..2....x..0..x..1..x..2....x..0..x..1..x..0

%e ..3..x..4..x..0..x....3..x..2..x..3..x....2..x..3..x..4..x....2..x..3..x..4..x

%e ..x..2..x..5..x..4....x..4..x..0..x..1....x..1..x..2..x..1....x..5..x..2..x..1

%Y Column 6 of A215745 and column 6 of A215847.

%K nonn

%O 0,2

%A _R. H. Hardin_, Aug 22 2012

%E a(0)=1 prepended and terms a(9) and beyond from _Andrew Howroyd_, Jun 25 2017

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Last modified June 13 14:17 EDT 2021. Contains 345001 sequences. (Running on oeis4.)