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A289849
Cardinality of the maximal set of ordered factor pairs such that a Quasi-Factor Pair Latin Square of order n exists.
0
1, 2, 2, 3, 2, 4, 2, 4, 3, 4, 2, 5, 2, 4, 4, 5, 2, 6, 2, 5, 4, 4, 2, 6, 3, 4, 4, 5, 2
OFFSET
1,2
COMMENTS
For n a prime power or twice a prime, a(n) is known to coincide with A000005(n).
LINKS
James Hammer, Factor Pair Latin Squares, Dissertation, Auburn University, 2015.
CROSSREFS
Cf. A000005.
Sequence in context: A351394 A327527 A337454 * A299701 A286605 A035149
KEYWORD
nonn,hard,more
STATUS
approved