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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A253871

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical recurrence of order 80

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

Adjacent sequences:  A253864 A253865 A253866 * A253868 A253869 A253870

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 17 2015

STATUS

approved

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Last modified June 28 17:31 EDT 2022. Contains 354907 sequences. (Running on oeis4.)