A210319 Number of (n+1)X8 0..3 arrays containing all values 0..3 with every 2X2 subblock having two or three distinct values, and new values 0..3 introduced in row major order

74362241, 2324938770750, 69133776440716096, 2038470253990478011542, 60016709910309693653046556, 1766551049932868715095878774445, 51994819539384403072547129110683133

Offset

1,1

Comments

Column 7 of A210320

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

Crossrefs

Sequence in context: A032431 A186535 A244924 * A295479 A203825 A109178

Adjacent sequences: A210316 A210317 A210318 * A210320 A210321 A210322

Keyword

nonn

Author

R. H. Hardin Mar 20 2012

Status

approved