login
A235553
Number of (n+1)X(5+1) 0..1 arrays with the sum of each 2X2 subblock two extreme terms minus its two median terms lexicographically nondecreasing rowwise and columnwise
1
660, 9320, 184281, 3824372, 74362722, 1271453587, 19182239308, 256273383832, 3086943812776, 33826465004088, 341964622301035, 3210882675698422, 28280047570300320, 234710501561552376, 1848700471390541492
OFFSET
1,1
COMMENTS
Column 5 of A235555
LINKS
EXAMPLE
Some solutions for n=3
..1..0..1..0..1..0....0..1..1..1..0..0....1..0..1..0..0..0....0..1..1..1..0..1
..0..1..0..0..0..0....1..1..0..1..0..1....1..1..1..0..0..0....1..1..1..1..0..1
..1..0..0..0..0..1....0..1..0..1..1..1....1..0..0..1..0..1....1..1..0..1..1..0
..1..0..1..0..1..1....0..0..1..0..1..0....1..1..0..1..1..1....1..1..1..0..0..0
CROSSREFS
Sequence in context: A235770 A204538 A204534 * A342994 A252457 A252450
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 12 2014
STATUS
approved