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A237137 Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the upper median of every 2X2 subblock equal 1
8414, 333446, 9999802, 436271890, 17759803582, 786068103136, 34365943860434, 1528315973150030, 67846506592876980, 3022576878584127910, 134634026836979803406, 6001543582015599278732, 267533161543458146431572 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A237142
LINKS
FORMULA
Empirical recurrence of order 93 (see link above)
EXAMPLE
Some solutions for n=1
..2..2..2..0....0..3..3..3....0..1..2..0....2..2..2..1....0..3..0..3
..1..0..1..2....3..1..3..2....3..2..3..2....1..2..2..2....1..3..3..2
CROSSREFS
Sequence in context: A295469 A232300 A214117 * A208182 A093221 A023321
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 04 2014
STATUS
approved

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Last modified February 22 12:20 EST 2024. Contains 370255 sequences. (Running on oeis4.)