A210131 Number of (n+1)X6 0..3 arrays with every 2X2 subblock having one, three or four distinct values, and new values 0..3 introduced in row major order

111993, 88392872, 68668190865, 53426898480029, 41562568796591219, 32333381562091308913, 25153548265096499157320, 19568045656061108846540126, 15222838587628954290925815053, 11842511977410697491841076989064

Offset

1,1

Comments

Column 5 of A210134

Links

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

Example

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

Crossrefs

Sequence in context: A203739 A172699 A180467 * A111332 A151841 A102497

Adjacent sequences: A210128 A210129 A210130 * A210132 A210133 A210134

Keyword

nonn

Author

R. H. Hardin Mar 17 2012

Status

approved