A237209 - OEIS

A237209

Number of (n+1) X (6+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2 X 2 subblock equal.

%I #8 Feb 14 2026 19:26:08

%S 581660,31758656,1448414238,89734494932,4937949728725,316488296606660,

%T 18626989825961382,1223575898046133510,74470416745873430410,

%U 4982064575627911752987,309072249721839616418654

%N Number of (n+1) X (6+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2 X 2 subblock equal.

%C Column 6 of A237211.

%H R. H. Hardin, <a href="/A237209/b237209.txt">Table of n, a(n) for n = 1..21</a>

%e Some solutions for n=1

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

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

%Y Cf. A237211.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 05 2014