A241325 Number of nX4 0..3 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..3 introduced in row major order

5, 530, 68935, 8949808, 1162535788, 151022716125, 19619065042282, 2548674277117248, 331093294165744259, 43011682813264944327, 5587563659405034428031, 725869475605161121443285

Offset

1,1

Comments

Column 4 of A241328

Links

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

R. H. Hardin, Empirical recurrence of order 53

Formula

Empirical recurrence of order 53 (see link above)

Example

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

Crossrefs

Sequence in context: A219164 A067446 A249895 * A210821 A302222 A302668

Adjacent sequences: A241322 A241323 A241324 * A241326 A241327 A241328

Keyword

nonn

Author

R. H. Hardin, Apr 19 2014

Status

approved