login
A253867
Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally
1
119040, 2546432, 52394496, 1052857184, 21171373312, 423305690976, 8407169495552, 166630395772512, 3301057791676672, 65387705913442656, 1294642862341354496, 25621884832358509664, 506889000775910831872
OFFSET
1,1
COMMENTS
Column 4 of A253871
FORMULA
Empirical recurrence of order 80 (see link above)
EXAMPLE
Some solutions for n=1
..0..0..1..1..0..1....0..0..1..1..1..0....0..1..1..1..1..0....0..1..0..1..0..1
..1..1..0..1..1..0....1..0..0..0..0..0....1..1..0..0..0..1....1..0..1..0..0..0
..1..1..1..0..1..1....1..1..0..1..0..1....0..1..1..0..1..1....0..1..0..0..0..1
CROSSREFS
Sequence in context: A250370 A202285 A250829 * A253874 A253540 A157736
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 17 2015
STATUS
approved