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A254557 Number of (5+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
170504, 443179, 1191782, 3450189, 8246808, 22508196, 59892062, 165385452, 447994455, 1233098106, 3358246607, 9233403548, 25332168892, 69690076249, 191199913388, 524626265145, 1436850857292, 3933840486592, 10761585580624 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A254553

LINKS

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

EXAMPLE

Some solutions for n=1

..0..0..1....1..0..1....0..0..1....0..0..1....0..0..0....0..0..0....0..0..1

..0..0..0....1..1..1....0..1..1....0..0..1....1..0..1....1..0..1....1..1..1

..0..0..0....1..1..1....1..1..1....1..0..0....0..0..0....1..1..0....1..0..1

..1..1..1....1..1..1....0..0..0....1..0..0....0..0..0....0..0..0....0..1..0

..1..1..0....0..0..0....1..1..1....1..0..0....0..1..1....1..1..1....1..1..1

..1..0..1....0..1..1....0..0..1....1..1..0....0..1..1....1..1..1....1..1..1

..1..1..1....0..0..1....1..0..1....0..0..0....0..0..1....0..1..0....0..1..1

CROSSREFS

Sequence in context: A233791 A116890 A254550 * A254480 A126894 A251408

Adjacent sequences:  A254554 A254555 A254556 * A254558 A254559 A254560

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 01 2015

STATUS

approved

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Last modified September 29 01:05 EDT 2022. Contains 357082 sequences. (Running on oeis4.)