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A166793
Number of nX7 1..2 arrays containing at least one of each value, all equal values connected, and rows considered as a single number in nondecreasing order.
0
12, 97, 1272, 13357, 103702
OFFSET
1,1
EXAMPLE
Some solutions for n=3
...2.2.1.1.1.1.2...1.1.1.1.1.1.2...1.1.1.1.1.2.2...1.1.1.2.2.2.2
...2.2.1.1.1.1.2...1.2.1.1.2.1.2...2.1.1.1.1.2.2...2.1.2.2.2.2.2
...2.2.2.2.2.2.2...1.2.2.2.2.2.2...2.2.2.2.2.2.2...2.2.2.2.2.2.2
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...1.1.1.1.1.1.1...1.1.1.1.1.1.1...2.1.1.2.2.2.2...1.1.1.1.1.1.1
...1.1.1.1.1.2.1...1.1.1.1.1.1.1...2.2.1.2.2.2.2...2.1.2.2.1.1.1
...1.1.2.2.2.2.2...2.2.2.1.1.1.1...2.2.2.2.2.2.2...2.2.2.2.2.2.2
CROSSREFS
Sequence in context: A021029 A270496 A128594 * A041268 A216028 A238755
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 21 2009
STATUS
approved