cp's OEIS Frontend

A238286 Number of (n+1)X(6+1) 0..3 arrays with no element greater than all horizontal neighbors or less than all vertical neighbors.

%I A238286 #6 Jul 23 2025 10:50:05
%S A238286 1268,850420,245920800,44441926832,8155057418133,1730677620863096,
%T A238286 383234474966286275,82717973078216789142,17493177554060762019050,
%U A238286 3699163393647454115175243,786647310980989762790259895
%N A238286 Number of (n+1)X(6+1) 0..3 arrays with no element greater than all horizontal neighbors or less than all vertical neighbors.
%C A238286 Column 6 of A238287
%H A238286 R. H. Hardin, <a href="/A238286/b238286.txt">Table of n, a(n) for n = 1..51</a>
%e A238286 Some solutions for n=1
%e A238286 ..3..3..1..2..3..3..1....1..2..3..3..2..3..3....2..2..2..0..0..0..0
%e A238286 ..3..3..1..2..3..3..1....1..2..3..3..2..3..3....2..2..2..0..0..0..0
%K A238286 nonn
%O A238286 1,1
%A A238286 _R. H. Hardin_, Feb 22 2014