A254357 Number of (n+2)X(4+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 and vertically

72939, 998646, 14816409, 179564001, 1960008103, 20623554260, 209075168007, 2066266192012, 20125123063477, 194086990444845, 1859060109937101, 17729134060750801, 168588003865853392, 1600026587205974305

Offset

1,1

Comments

Column 4 of A254361

Links

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

Example

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

Crossrefs

Sequence in context: A071145 A254582 A254589 * A031665 A247993 A210009

Adjacent sequences: A254354 A254355 A254356 * A254358 A254359 A254360

Keyword

nonn

Author

R. H. Hardin, Jan 29 2015

Status

approved