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A203633 Number of nX3 0..1 arrays with the counts of all possible adjacent horizontal and vertical pair sum values being within one of each other 1
4, 6, 8, 52, 236, 492, 7636, 41300, 70902, 1229484, 6938924, 12385670, 220781980, 1268542058, 2312937656, 41806341028, 243539985504, 449964798432, 8208629726572, 48267467308910, 90032481798820, 1653404445133132 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A203638
LINKS
EXAMPLE
Some solutions for n=5
..1..1..1....1..1..1....0..0..0....0..0..0....1..0..0....0..1..1....1..0..0
..1..0..1....1..1..0....0..0..1....0..0..0....1..1..0....1..1..0....1..0..0
..1..0..0....1..0..0....0..0..1....1..1..1....1..1..1....1..1..0....1..1..1
..1..0..0....0..0..0....1..1..1....1..0..1....1..0..0....1..0..0....1..1..0
..1..0..0....1..1..0....0..1..1....1..1..1....0..0..0....0..0..0....0..0..0
CROSSREFS
Sequence in context: A058229 A087271 A067797 * A190630 A013285 A013289
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 04 2012
STATUS
approved

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Last modified July 19 22:34 EDT 2024. Contains 374441 sequences. (Running on oeis4.)