A250509 - OEIS

%I #4 Nov 24 2014 12:06:47

%S 274625,7615233,184021141,3726466325,66217800903,1079694968285,

%T 16547443940527,239762491944665,3331432353007961,44764306424750549,

%U 583975364339968629,7434540289095411055,92726598333207379911

%N Number of (n+2)X(2+2) 0..2 arrays with nondecreasing maximum minus minimum of every three consecutive values in every row and column

%C Column 2 of A250510

%H R. H. Hardin, <a href="/A250509/b250509.txt">Table of n, a(n) for n = 1..31</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 24 2014