A166809 Number of nX5 1..3 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in nondecreasing order.

6, 146, 1163, 6301, 27900, 108609

Offset

1,1

Links

Table of n, a(n) for n=1..6.

Example

Some solutions for n=4
...1.1.1.1.2...1.1.1.3.3...1.2.2.2.2...1.1.1.1.3...1.1.1.1.2...1.1.2.2.3
...1.1.1.2.2...1.1.2.2.3...3.2.2.2.2...1.1.1.3.3...1.1.2.2.2...1.2.2.2.3
...1.2.2.2.3...1.3.3.3.3...3.2.2.2.3...2.2.2.2.3...1.2.2.2.2...1.2.3.3.3
...2.2.2.3.3...1.3.3.3.3...3.3.3.3.3...3.3.3.3.3...1.3.3.3.2...3.3.3.3.3
------
...1.1.1.1.3...1.1.2.2.3...1.1.1.2.2...1.1.1.1.2...1.1.2.2.2...1.1.1.1.1
...1.1.1.1.3...1.2.2.3.3...2.2.2.2.2...1.1.1.1.3...2.2.2.2.2...1.1.1.1.2
...1.1.3.3.3...1.3.3.3.3...2.2.3.2.3...1.1.1.3.3...2.2.2.2.2...1.1.1.2.2
...2.2.3.3.3...3.3.3.3.3...3.3.3.3.3...1.3.3.3.3...2.2.3.3.3...1.3.3.2.2

Crossrefs

Sequence in context: A196964 A121473 A166837 * A250389 A358800 A063419

Adjacent sequences: A166806 A166807 A166808 * A166810 A166811 A166812

Keyword

nonn

Author

R. H. Hardin Oct 21 2009

Status

approved