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A237300 Number of (n+1)X(n+1) 0..2 arrays with the upper median of every 2X2 subblock equal 1
81, 5433, 1415117, 2009833839, 12453653921528, 375668394257449657, 52886756103540949611731, 35743217612825270842283657485, 114859451539181968613471272133306734 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A237308

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..10

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A206406 A238172 A260858 * A237937 A060349 A212706

Adjacent sequences:  A237297 A237298 A237299 * A237301 A237302 A237303

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 06 2014

STATUS

approved

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Last modified December 5 12:24 EST 2021. Contains 349557 sequences. (Running on oeis4.)