A254385 Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

21304, 406548, 8533796, 175329586, 3587965682, 73923120984, 1521733260456, 31311650491630, 644509809793486, 13265570942855016, 273033267247903508, 5619741082288575450, 115668783693718838314, 2380757992953014455484

Offset

1,1

Comments

Column 3 of A254390

Links

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

R. H. Hardin, Empirical recurrence of order 50

Formula

Empirical recurrence of order 50 (see link above)

Example

Some solutions for n=1
..0..1..0..0..0....1..1..0..0..1....0..1..1..0..0....0..0..1..0..1
..1..0..1..0..0....1..0..1..0..1....1..0..1..1..0....1..1..1..1..1
..0..0..1..0..1....0..1..1..0..1....1..1..1..0..0....1..0..0..0..0

Crossrefs

Sequence in context: A178282 A234408 A177857 * A254392 A253980 A349508

Adjacent sequences: A254382 A254383 A254384 * A254386 A254387 A254388

Keyword

nonn

Author

R. H. Hardin, Jan 29 2015

Status

approved