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A184498 1/12 the number of (n+2)X(n+2) 0..2 arrays with each 3X3 subblock containing one of one value, three of another, and five of the last 0
252, 4546, 50590, 425814, 3530858 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A184505

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

Some solutions with a(1,1)=0 for 4X4

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

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

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

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

CROSSREFS

Sequence in context: A027815 A271496 A218418 * A169713 A099059 A151610

Adjacent sequences:  A184495 A184496 A184497 * A184499 A184500 A184501

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 16 2011

STATUS

approved

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Last modified August 11 12:12 EDT 2022. Contains 356065 sequences. (Running on oeis4.)