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A253619 Number of (4+2)X(n+2) 0..2 arrays with every consecutive three elements in every row and diagonal having one or two distinct values, and in every column and antidiagonal having two or three distinct values, and new values 0 upwards introduced in row major order 1
1100582, 48041910, 1985951362, 82792688911, 3506966814980, 148257123839810, 6260570618264406, 264744653877921902, 11194827783222181524, 473331142737885943910, 20015539042538800258800, 846393786041014883556876 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 4 of A253615
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..1..1..0....0..0..1....1..1..2....1..0..1....1..1..0....0..0..1....1..1..0
..2..1..1....1..1..0....0..0..0....2..2..0....2..2..1....2..2..0....1..2..1
..2..2..2....0..1..1....2..1..1....1..2..2....1..0..1....1..1..2....0..0..2
..0..2..0....1..0..1....2..2..0....1..1..0....2..1..2....2..1..2....1..0..0
..0..1..0....0..1..0....0..2..2....2..1..2....0..2..0....1..2..1....0..2..2
CROSSREFS
Sequence in context: A184384 A086212 A316481 * A235221 A060087 A229783
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 05 2015
STATUS
approved

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Last modified March 29 01:36 EDT 2024. Contains 371264 sequences. (Running on oeis4.)