A singly defective permutation omits one value and repeats another value
Column 5 of A183270
Table of n, a(n) for n=1..7.
Some solutions for n=2 with 5 maxima
(6,1,2,9,7,9,4,10,5,8) (6,1,5,3,10,9,4,8,2,4) (6,1,3,2,10,4,9,3,5,7)
Sequence in context: A250516 A249316 A018236 * A043655 A271144 A058004
Adjacent sequences: A183265 A183266 A183267 * A183269 A183270 A183271
R. H. Hardin Jan 03 2011