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A210162 Number of (n+1)X6 0..3 arrays with every 2X2 subblock having two or three distinct values, and new values 0..3 introduced in row major order 1
393649, 908980864, 2101304030788, 4857832789667601, 11230410246683136735, 25962633684406082924528, 60020811817199659899093212, 138757026672024094981417833759, 320780607033534210335763669108271 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A210165

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A145228 A204628 A171439 * A320209 A320218 A230792

Adjacent sequences:  A210159 A210160 A210161 * A210163 A210164 A210165

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 18 2012

STATUS

approved

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Last modified May 8 20:32 EDT 2021. Contains 343668 sequences. (Running on oeis4.)