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A236078 Number of (n+1)X(2+1) 0..2 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise 1
576, 9979, 169680, 2634205, 40097396, 587963980, 8523145663, 121700475056, 1728432778182, 24403460015028, 343787025890344, 4832490504998260, 67872153417285885, 952512927560219600, 13363621591424552478 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 2 of A236082
LINKS
FORMULA
Empirical recurrence of order 82 (see link above)
EXAMPLE
Some solutions for n=3
..0..0..1....0..0..1....0..0..0....2..0..2....0..1..0....0..1..0....1..0..1
..0..1..1....0..0..2....1..1..0....1..2..1....0..2..0....0..0..0....0..0..1
..1..2..1....1..1..0....0..1..1....0..2..2....2..1..1....1..2..0....0..2..0
..2..1..2....1..1..2....0..1..2....1..1..1....0..1..2....0..2..0....1..1..0
CROSSREFS
Sequence in context: A269034 A188787 A235738 * A264524 A209781 A330840
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 19 2014
STATUS
approved

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Last modified June 18 15:47 EDT 2024. Contains 373481 sequences. (Running on oeis4.)