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A209966 Number of (n+1)X6 0..3 arrays containing all values 0..3 with every 2X2 subblock having one or two distinct values, and new values 0..3 introduced in row major order 1
1845, 235614, 27112487, 3143493049, 351689776895, 38303320167422, 4082540189707757, 427998742911795767, 44301308191440007199, 4540404981079741824131, 461754399167951492388812 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A209969

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

..0..0..0..0..0..0....0..0..0..0..1..1....0..0..0..0..0..0....0..1..0..0..0..1

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

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

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

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

CROSSREFS

Sequence in context: A290393 A251109 A236160 * A031935 A137873 A054814

Adjacent sequences:  A209963 A209964 A209965 * A209967 A209968 A209969

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 16 2012

STATUS

approved

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Last modified August 5 08:27 EDT 2021. Contains 346464 sequences. (Running on oeis4.)