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A237213 Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock equal 1
1076, 6200, 37858, 246916, 1641592, 11208306, 77496396, 543475684, 3843695622, 27411717100, 196558480820, 1416700594198, 10246225750604, 74351085871528, 540708716072682, 3941098561371132, 28766596024526768, 210313864318348138 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 2 of A237218
LINKS
FORMULA
Empirical recurrence of order 58 (see link above)
EXAMPLE
Some solutions for n=3
..3..0..1....2..1..3....2..3..1....3..2..1....1..2..1....2..2..1....2..3..2
..2..3..0....1..3..2....1..1..0....2..1..2....0..2..0....0..3..3....1..2..3
..0..3..2....0..1..3....0..3..1....2..3..2....1..2..3....3..3..0....2..1..2
..2..3..0....0..2..1....2..2..1....2..3..2....1..3..1....3..0..0....3..2..3
CROSSREFS
Sequence in context: A014364 A031779 A336781 * A235959 A235570 A278652
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 05 2014
STATUS
approved

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Last modified February 25 09:35 EST 2024. Contains 370313 sequences. (Running on oeis4.)