A235447 - OEIS

A235447

Number of (n+1) X (6+1) 0..1 arrays with the difference between each 2 X 2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.

%I #6 Oct 02 2021 16:10:03

%S 9418,657290,44920240,3043145826,205551169550,13868068262164,

%T 935263088301396,63064724124453082,4252224342324710504,

%U 286706640921161498010,19331099358385310094498,1303390076791046628378510

%N Number of (n+1) X (6+1) 0..1 arrays with the difference between each 2 X 2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.

%C Column 6 of A235449.

%H R. H. Hardin, <a href="/A235447/b235447.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%Y Cf. A235449.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 10 2014