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A183846 Number of (n+1)X(n+1) 0..3 arrays with each element of every 2X2 subblock being the sum mod 4 of two others 0
35, 429, 9557, 448665, 40482339, 9808052813, 5102345174752, 6963325147796767, 21046774704680367392, 146145472233705207996377, 2243552020457712284374333510 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A183854

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for 3X3

..2..3..2....2..1..2....2..2..2....1..2..3....1..3..1....0..2..2....0..0..0

..3..1..3....1..3..3....0..0..2....3..1..1....1..2..3....0..2..0....2..2..2

..3..2..1....3..2..1....0..0..2....3..2..3....1..3..1....0..2..0....0..0..0

CROSSREFS

Sequence in context: A133317 A322879 A105947 * A219936 A298946 A219582

Adjacent sequences:  A183843 A183844 A183845 * A183847 A183848 A183849

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 07 2011

STATUS

approved

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Last modified August 7 12:19 EDT 2020. Contains 336276 sequences. (Running on oeis4.)