A233486 - OEIS

%I #4 Dec 11 2013 08:18:02

%S 18116531520,32519299606118,55442546308058920,94038386779753884364,

%T 158651203925316697808911,267457939129841084397425458,

%U 450635011196058144943097350481,759193722701220137409721033632067

%N Number of (n+2)X(4+2) 0..3 arrays with no increasing sequence of length 3 horizontally, diagonally downwards or vertically

%C Column 4 of A233488

%H R. H. Hardin, <a href="/A233486/b233486.txt">Table of n, a(n) for n = 1..53</a>

%e Some solutions for n=1

%e ..1..0..0..0..0..0....1..0..0..0..0..0....1..1..0..0..0..0....1..1..0..0..0..0

%e ..2..2..0..0..0..0....2..3..0..0..0..0....3..1..0..0..0..0....0..0..0..0..0..0

%e ..1..2..0..0..1..1....1..1..2..1..0..2....1..2..1..0..3..1....3..0..0..1..1..2

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 11 2013