login
A203632
Number of nX2 0..1 arrays with the counts of all possible adjacent horizontal and vertical pair sum values being within one of each other
1
4, 4, 6, 6, 26, 90, 222, 674, 2158, 6546, 20382, 63922, 200946, 639554, 2037050, 6507122, 20923918, 67445362, 217924638, 706488874, 2295658074, 7475460546, 24394962306, 79753388458, 261182132074, 856719190626, 2814241452698
OFFSET
1,1
COMMENTS
Column 2 of A203638
LINKS
EXAMPLE
Some solutions for n=5
..1..1....1..0....0..1....1..1....1..0....1..1....0..0....1..1....0..0....1..1
..1..0....0..0....0..0....1..1....1..1....0..1....0..0....1..1....1..0....1..1
..1..1....0..0....0..0....0..0....1..1....0..1....1..1....0..0....1..0....0..0
..0..0....1..1....1..1....0..0....0..0....0..1....0..1....0..0....1..0....0..1
..0..0....1..1....1..1....1..0....0..0....0..0....1..1....0..1....1..1....0..0
CROSSREFS
Sequence in context: A171384 A226833 A262260 * A278766 A320828 A065677
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 04 2012
STATUS
approved