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A237960 Number of (n+1)X(3+1) 0..2 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
1422, 10942, 81483, 645156, 5242451, 41361664, 324579268, 2567231540, 20445704700, 161413538260, 1277153952270, 10095026043660, 80119191734632, 632823187624908, 5014971680503924, 39627280740228456, 314267888886806408 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A237965
LINKS
FORMULA
Empirical recurrence of order 82 (see link above)
EXAMPLE
Some solutions for n=3
..2..1..0..0....2..0..0..2....2..0..0..2....0..0..0..1....1..0..2..0
..1..1..0..0....0..1..0..1....0..1..1..0....0..1..2..2....1..1..1..0
..1..1..1..1....2..2..0..1....2..2..1..2....1..1..0..0....0..0..1..0
..0..1..1..2....2..2..1..1....0..0..1..1....0..2..0..1....2..0..0..2
CROSSREFS
Sequence in context: A364125 A293093 A337671 * A023937 A225567 A216444
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 16 2014
STATUS
approved

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Last modified April 17 13:58 EDT 2024. Contains 371764 sequences. (Running on oeis4.)