login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

Number of (n+1)X(7+1) 0..2 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
1

%I #4 Feb 06 2014 06:18:26

%S 536848,17798196,591728030,23858930168,923349438238,34218711303300,

%T 1305716399716870,58722426789655000,2550301762829562346,

%U 108908271275619198096,4808950747662371303326,232777175635166638986220

%N Number of (n+1)X(7+1) 0..2 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

%C Column 7 of A237324

%H R. H. Hardin, <a href="/A237323/b237323.txt">Table of n, a(n) for n = 1..37</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 06 2014