login
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
OFFSET
1,1
COMMENTS
Column 6 of A210404
LINKS
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 A376166
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 21 2012
STATUS
approved