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

170504, 443179, 1191782, 3450189, 8246808, 22508196, 59892062, 165385452, 447994455, 1233098106, 3358246607, 9233403548, 25332168892, 69690076249, 191199913388, 524626265145, 1436850857292, 3933840486592, 10761585580624

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