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A235739 Number of (n+1)X(3+1) 0..2 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise 1
3992, 160075, 6175786, 216691834, 7433913626, 244518790287, 7937748092921, 252930693591705, 8002365469207168, 251138131980679659, 7853962193148167112, 244782571628904782878, 7617125737044828266921, 236703159566273463901195 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A235742
LINKS
EXAMPLE
Some solutions for n=2
..0..2..2..2....1..2..1..2....0..2..2..1....0..1..1..1....0..2..1..2
..0..1..2..2....0..1..1..2....0..0..0..1....2..0..2..0....0..2..0..1
..2..0..2..2....1..2..1..1....2..0..2..2....2..0..0..0....0..2..1..2
CROSSREFS
Sequence in context: A236487 A235434 A200848 * A236079 A045262 A203088
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 15 2014
STATUS
approved

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)