A235530 Number of (n+1)X(4+1) 0..2 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing rowwise and columnwise

15782, 1241251, 140614400, 13038576512, 1209080327197, 92361300067563, 6600170210621221, 412646962706018755, 24062019535929136798, 1278489409736409630859, 63849532570172961906099

Offset

1,1

Comments

Column 4 of A235531

Links

R. H. Hardin, Table of n, a(n) for n = 1..43

Example

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

Crossrefs

Sequence in context: A233642 A246042 A235755 * A116493 A061733 A229643

Adjacent sequences: A235527 A235528 A235529 * A235531 A235532 A235533

Keyword

nonn

Author

R. H. Hardin, Jan 11 2014

Status

approved