A166825 Number of n X 5 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 increasing order.

0, 2, 92, 1202, 9096, 50175

Offset

1,2

Links

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

Example

Some solutions for n=4
...1.1.2.2.3...1.1.1.1.2...1.1.1.1.1...1.1.2.3.3...1.2.3.3.3...1.2.2.2.3
...1.3.2.2.3...1.1.2.2.2...1.1.1.1.3...1.2.2.2.3...2.2.2.3.3...2.2.3.3.3
...1.3.2.3.3...1.2.2.2.2...1.1.2.3.3...1.3.2.3.3...3.3.2.2.3...3.2.2.3.3
...3.3.3.3.3...2.2.2.3.3...1.2.2.3.3...3.3.3.3.3...3.3.3.3.3...3.3.3.3.3
------
...1.1.1.1.3...1.1.1.1.2...1.1.3.3.3...1.1.1.1.1...1.1.1.1.1...1.1.1.1.3
...1.1.1.3.3...1.1.1.2.2...1.2.2.2.3...1.1.1.3.3...1.1.1.1.1...1.1.1.1.3
...1.1.2.2.3...1.1.3.2.2...1.2.2.3.3...1.1.2.2.3...1.1.2.2.3...1.1.2.3.3
...1.2.2.2.3...1.2.2.2.2...2.2.2.2.3...1.2.2.3.3...1.2.2.3.3...1.3.3.3.3

Crossrefs

Sequence in context: A030985 A053313 A226404 * A348852 A365852 A042057

Adjacent sequences: A166822 A166823 A166824 * A166826 A166827 A166828

Keyword

nonn

Author

R. H. Hardin Oct 21 2009

Status

approved