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A283557
The number of positive integer sequences of length n with no duplicate substrings and a minimal product (i.e., the product of the sequence is A282164(n)).
2
1, 1, 3, 2, 2, 6, 6, 24, 24, 120
OFFSET
1,3
EXAMPLE
For n = 7, the a(7) = 6 sequences are
1,3,1,2,2,1,1;
1,2,2,1,3,1,1;
1,3,1,1,2,2,1;
1,1,3,1,2,2,1;
1,2,2,1,1,3,1; and
1,1,2,2,1,3,1.
CROSSREFS
Cf. A282164. A283558 is the sum analog.
Sequence in context: A272332 A197586 A111702 * A283558 A234713 A091029
KEYWORD
nonn,more
AUTHOR
Peter Kagey, Mar 10 2017
STATUS
approved