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A236881 Number of (n+1)X(5+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock equal 1
4309, 29673, 189527, 2265637, 23065072, 308682677, 3749944595, 50416764317, 649519074615, 8682755057576, 114106535341561, 1520036098713307, 20115338968743085, 267532741933936723, 3549189372273184744 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A236884

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=3

..0..1..2..1..2..0....1..0..1..1..0..1....0..1..0..1..0..1....0..2..1..2..2..0

..2..1..0..1..1..1....1..1..1..1..1..1....1..1..1..1..1..1....2..2..2..2..2..2

..0..1..2..1..2..1....1..0..1..0..1..1....1..1..1..1..1..1....2..2..2..0..2..2

..2..1..1..1..1..0....1..1..1..1..1..0....1..1..1..1..0..1....0..2..2..2..2..0

CROSSREFS

Sequence in context: A224522 A210263 A165067 * A190929 A055153 A190011

Adjacent sequences:  A236878 A236879 A236880 * A236882 A236883 A236884

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 01 2014

STATUS

approved

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Last modified July 24 06:56 EDT 2021. Contains 346273 sequences. (Running on oeis4.)