A210410 Number of (n+1) X 6 0..3 arrays with every 2 X 2 subblock having three or four distinct values, and new values 0..3 introduced in row major order.

106128, 82334080, 62266883792, 47230418649056, 35812807522735456, 27156404472228366416, 20592266925119437726832, 15614795007214470941282288, 11840454887140875850002019792, 8978431861925855994884666459456

Offset

1,1

Comments

Column 5 of A210413.

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

Crossrefs

Cf. A210413.

Sequence in context: A025290 A242479 A252775 * A184649 A184646 A237542

Adjacent sequences: A210407 A210408 A210409 * A210411 A210412 A210413

Keyword

nonn

Author

R. H. Hardin, Mar 21 2012

Status

approved