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A237027 Number of (n+1)X(n+1) 0..2 arrays with the maximum of every 2X2 subblock equal 1
81, 11205, 11703666, 93104881597, 5114994760537075, 2003793957976560041092, 5504724844486277965571351281, 106840883990714984887612928008269765, 14602647558550285686030851250177063594638018 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A237035

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..16

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A093281 A059988 A017020 * A185847 A058422 A053913

Adjacent sequences:  A237024 A237025 A237026 * A237028 A237029 A237030

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 02 2014

STATUS

approved

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Last modified January 17 17:47 EST 2022. Contains 350402 sequences. (Running on oeis4.)