A236079 Number of (n+1)X(3+1) 0..2 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise

3992, 169680, 7147799, 271135379, 10003171144, 349054240169, 11883153992874, 392842405587563, 12777894726279097, 409323490817193034, 12991133927138973427, 409163645547902354020, 12825010207733767198505

Offset

1,1

Comments

Column 3 of A236082

Links

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

Example

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

Crossrefs

Sequence in context: A235434 A200848 A235739 * A045262 A203088 A061700

Adjacent sequences: A236076 A236077 A236078 * A236080 A236081 A236082

Keyword

nonn

Author

R. H. Hardin, Jan 19 2014

Status

approved