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A237100 Number of (n+1)X(n+1) 0..2 arrays with the maximum minus the upper median of every 2X2 subblock equal 0
81, 3787, 848549, 1032827165, 5870133564899, 153501837729691233, 17966786586499994357043, 9464450815584141936194129755, 22345321168723592516841966285661051 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A237108

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A237842 A223501 A053108 * A245665 A016888 A205238

Adjacent sequences:  A237097 A237098 A237099 * A237101 A237102 A237103

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 03 2014

STATUS

approved

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Last modified October 27 00:02 EDT 2021. Contains 348270 sequences. (Running on oeis4.)