OFFSET
1,3
COMMENTS
Other simple classes of endofunctions are counted by this sequence.
EXAMPLE
The 13 sequences not starting with their minimum value for n=3 are
211, 212, 213, 221, 231, 311, 312, 313, 321, 331, 322, 323, 332.
MATHEMATICA
Table[n^n - Plus @@ Table[i^(n - 1), {i, 1, n}], {n, 1, 15}]
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Olivier Gérard, Jan 28 2023
STATUS
approved