A237300 Number of (n+1)X(n+1) 0..2 arrays with the upper median of every 2X2 subblock equal

81, 5433, 1415117, 2009833839, 12453653921528, 375668394257449657, 52886756103540949611731, 35743217612825270842283657485, 114859451539181968613471272133306734

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