OFFSET
1,1
COMMENTS
A singly defective permutation omits one value and repeats another value.
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..200
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 03 2011
EXTENSIONS
Terms a(6) and beyond from Andrew Howroyd, May 12 2020
STATUS
approved