A235841 Number of (n+1)X(4+1) 0..2 arrays with the sum of each 2X2 subblock two extreme terms minus its two median terms lexicographically nondecreasing rowwise and columnwise

12373, 919222, 84434218, 7084268884, 509718744920, 31142484762646, 1656595310876326, 77736219720516131, 3292922587031251015, 126923138135345038967, 4523584885336479266286, 149771727888161066846477

Offset

1,1

Comments

Column 4 of A235842

Links

R. H. Hardin, Table of n, a(n) for n = 1..26

Example

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

Crossrefs

Sequence in context: A238308 A179916 A236426 * A140938 A202563 A061731

Adjacent sequences: A235838 A235839 A235840 * A235842 A235843 A235844

Keyword

nonn

Author

R. H. Hardin, Jan 16 2014

Status

approved