login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

Number of (3+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally
1

%I #4 Jan 26 2015 12:59:33

%S 16240,164684,1553720,15016048,139009432,1263003480,11377995944,

%T 101942555352,912087664152,8157975853920,72998908371792,

%U 653365654458064,5848836175265568,52361520959776576,468779045407612304

%N Number of (3+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Row 3 of A254168

%H R. H. Hardin, <a href="/A254170/b254170.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A254170/a254170.txt">Empirical recurrence of order 73</a>

%F Empirical recurrence of order 73 (see link above)

%e Some solutions for n=2

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 26 2015