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A235959 Number of (n+1)X(5+1) 0..1 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise 1
1076, 13346, 137988, 1340034, 12412248, 112308598, 997114552, 8749889970, 76070757246, 657191443192, 5649850292388, 48403715527716, 413591715978686, 3527265823317484, 30038535315072212, 255543128449733234 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A235962
LINKS
FORMULA
Empirical recurrence of order 67 (see link above)
EXAMPLE
Some solutions for n=3
..1..0..0..0..0..1....0..0..0..0..1..0....0..1..0..1..0..1....0..1..0..1..0..1
..0..0..1..0..0..0....0..0..0..0..0..0....0..0..0..1..0..1....1..0..1..0..1..0
..1..0..0..0..0..1....1..0..1..0..1..0....0..0..0..0..1..0....0..0..0..1..0..1
..0..0..1..0..0..0....1..1..1..1..1..1....0..0..0..1..1..0....0..0..1..0..1..0
CROSSREFS
Sequence in context: A031779 A336781 A237213 * A235570 A278652 A235084
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 17 2014
STATUS
approved

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Last modified April 14 12:23 EDT 2024. Contains 371661 sequences. (Running on oeis4.)