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A254517 Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
833037, 8282251, 74724261, 648678493, 6835294784, 70328373238, 690528516461, 6873737047337, 67863913445117, 665102486533923, 6483379051873678, 63137552262813647, 612196906415543312, 5925295206911839909 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A254512

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..114

EXAMPLE

Some solutions for n=1

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A179727 A256769 A254510 * A254817 A305827 A113150

Adjacent sequences: A254514 A254515 A254516 * A254518 A254519 A254520

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 31 2015

STATUS

approved

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Last modified March 31 02:30 EDT 2023. Contains 361623 sequences. (Running on oeis4.)