A166837 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 nonincreasing order.

6, 146, 1093, 5770, 25317

Offset

1,1

Links

Table of n, a(n) for n=1..5.

Example

Some solutions for n=4
...3.2.1.1.1...2.1.1.1.1...1.1.1.1.1...2.2.1.1.1...2.2.2.2.1...3.3.3.1.1
...3.2.2.2.2...2.2.2.2.1...3.3.2.2.1...2.2.1.1.1...2.2.2.2.1...3.3.3.3.1
...3.2.3.3.3...3.2.2.2.2...3.3.2.2.1...3.2.3.1.1...3.2.2.1.1...3.3.3.3.2
...3.3.3.3.3...3.2.2.2.2...3.3.3.2.1...3.3.3.3.1...3.3.2.2.2...3.3.3.3.3
------
...2.2.2.1.1...2.2.1.1.1...2.2.1.1.1...3.2.2.1.1...2.2.1.1.1...3.2.2.1.1
...3.3.2.3.3...2.2.1.1.1...3.2.2.1.1...3.2.2.2.2...2.2.2.2.1...3.2.2.1.1
...3.3.2.3.3...3.2.3.3.1...3.3.2.1.1...3.3.2.3.3...3.2.1.1.1...3.2.2.3.3
...3.3.3.3.3...3.3.3.1.1...3.3.3.3.1...3.3.3.3.3...3.2.2.2.2...3.3.3.3.3

Crossrefs

Sequence in context: A041271 A196964 A121473 * A166809 A250389 A358800

Adjacent sequences: A166834 A166835 A166836 * A166838 A166839 A166840

Keyword

nonn

Author

R. H. Hardin Oct 21 2009

Status

approved