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Number of (n+1) X (6+1) 0..1 arrays with no 2 X 2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements.
1

%I #6 Mar 15 2023 11:13:50

%S 7275,453273,27662994,1697323707,103986727042,6373427948731,

%T 390586327228567,23937316421928928,1466999236798838668,

%U 89905332249468711934,5509861728752949673273,337672768681288148069329

%N Number of (n+1) X (6+1) 0..1 arrays with no 2 X 2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements.

%C Column 6 of A251228.

%H R. H. Hardin, <a href="/A251226/b251226.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A251226/a251226.txt">Empirical recurrence of order 54</a>

%F Empirical recurrence of order 54 (see link above).

%e Some solutions for n=1

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

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

%Y Cf. A251228.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 30 2014