A236080 Number of (n+1)X(4+1) 0..2 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise

26088, 2634205, 271135379, 25485868729, 2353737191047, 204552132539376, 17233100445331692, 1392972211300394038, 109481604802959903906, 8367007441759114619350, 626181631775394560477219

Offset

1,1

Comments

Column 4 of A236082

Links

R. H. Hardin, Table of n, a(n) for n = 1..142

Example

Some solutions for n=1
..2..0..1..2..2....1..1..0..1..1....1..0..2..2..2....2..0..2..2..0
..1..1..2..0..0....0..0..1..0..1....0..2..0..0..0....0..2..2..0..0

Crossrefs

Sequence in context: A326931 A235195 A235740 * A115494 A236493 A236488

Adjacent sequences: A236077 A236078 A236079 * A236081 A236082 A236083

Keyword

nonn

Author

R. H. Hardin, Jan 19 2014

Status

approved