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A210402 Number of (n+1)X7 0..3 arrays with every 2X2 subblock having one or three distinct values, and new values 0..3 introduced in row major order 1
458859, 339846892, 249456180709, 183306323524536, 134683271058638241, 98959148496365005996, 72710583381311090972861, 53424368732582002941262016, 39253750830669705568949431433, 28841837470471858779516861346228 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A210404

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A207299 A233926 A339429 * A274811 A202600 A114671

Adjacent sequences:  A210399 A210400 A210401 * A210403 A210404 A210405

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 21 2012

STATUS

approved

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Last modified May 26 04:43 EDT 2022. Contains 354074 sequences. (Running on oeis4.)