A251064 - OEIS

%I #6 May 11 2023 11:01:50

%S 112373,6678657,432850109,30334449677,2179252808041,158459225199843,

%T 11583623256480548,849126733873227941,62330147178086289818,

%U 4578812877202662645937,336496570208098704484079

%N Number of (n+1) X (7+1) 0..2 arrays with no 2 X 2 subblock having x11-x00 less than x10-x01.

%C Column 7 of A251065.

%H R. H. Hardin, <a href="/A251064/b251064.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%Y Cf. A251065.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 29 2014