OFFSET
0,4
COMMENTS
A succession of a permutation p is a position i such that p(i+1)-p(i) = 1.
EXAMPLE
For n=4 we have 2341, 3412, 3421, 4123 and 4312.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Jon Perry, Jan 19 2013
EXTENSIONS
a(11)-a(14) from Alois P. Heinz, Jan 20 2013
a(15)-a(20) from Max Alekseyev, Oct 17 2017
a(21)-a(22) from Alois P. Heinz, Jul 05 2021
STATUS
approved