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A254590 Number of (5+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and the central column and the two maximums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
332330, 3699505, 42278366, 548753241, 7610621332, 103508337281, 1378994189975, 18153660429271, 236606904631381, 3061665198195311, 39430627777720264, 506211331403147283, 6485200850937464295, 82971100459297212687 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A254586

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A258897 A237331 A254583 * A254358 A206658 A069337

Adjacent sequences:  A254587 A254588 A254589 * A254591 A254592 A254593

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 01 2015

STATUS

approved

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Last modified May 20 13:32 EDT 2022. Contains 353873 sequences. (Running on oeis4.)