A210264 Number of (n+1)X6 0..3 arrays containing all values 0..3 with every 2X2 subblock having three distinct values, and new values 0..3 introduced in row major order

42520, 13233079, 3885183814, 1137801615818, 332946143914838, 97427021073113618, 28508853879455964312, 8342193957083521350330, 2441072766493238740821372, 714300863819734626424099882

Offset

1,1

Comments

Column 5 of A210267

Links

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

Example

Some solutions for n=4
..0..1..1..0..2..1....0..0..0..0..0..0....0..1..0..2..0..1....0..0..0..0..0..0
..1..2..0..3..2..3....1..2..3..1..2..3....0..3..3..2..3..3....1..2..1..2..1..2
..3..1..0..2..1..3....3..1..1..0..0..2....2..2..1..2..0..1....1..0..2..3..1..0
..2..1..2..1..3..0....0..3..0..2..3..3....1..3..1..3..2..0....3..1..0..2..1..2
..1..3..1..3..0..1....2..3..1..0..2..0....3..0..3..2..1..0....0..1..2..1..3..3

Crossrefs

Sequence in context: A237312 A217164 A062694 * A251245 A187959 A253521

Adjacent sequences: A210261 A210262 A210263 * A210265 A210266 A210267

Keyword

nonn

Author

R. H. Hardin Mar 19 2012

Status

approved