A206386 Number of n X 5 0..6 arrays with no element equal to another within a city block distance of two, and new values 0..6 introduced in row major order.

5, 380, 34442, 3328979, 319902496, 30809397399, 2965468376203, 285477006510014, 27481270649615774

Offset

1,1

Comments

Column 5 of A206389.

Links

Table of n, a(n) for n=1..9.

Example

Some solutions for n=4
..0..1..2..3..0....0..1..2..0..1....0..1..2..0..1....0..1..2..0..1
..2..3..0..1..2....2..3..4..5..2....2..3..4..5..6....2..3..4..5..6
..1..4..5..6..3....1..0..6..3..4....6..0..1..2..0....4..5..0..1..2
..6..0..1..4..5....3..2..5..0..6....1..2..3..6..1....0..1..6..3..4

Crossrefs

Cf. A206389.

Sequence in context: A208094 A273397 A261433 * A198902 A100474 A152438

Adjacent sequences: A206383 A206384 A206385 * A206387 A206388 A206389

Keyword

nonn

Author

R. H. Hardin, Feb 07 2012

Status

approved