A179569 Number of permutations of 1..n with the number moved left exceeding the number moved right by 3 or more

0, 0, 0, 0, 1, 7, 142, 1236, 19389, 197961, 3119296, 37007330, 625269351, 8518503575, 156989400170, 2424846690232, 48850794161897, 845427958969045

Offset

1,6

Links

Table of n, a(n) for n=1..18.

Crossrefs

Equal number moved left and right, see A062868

Sequence in context: A070074 A051397 A322064 * A342812 A082157 A258176

Adjacent sequences: A179566 A179567 A179568 * A179570 A179571 A179572

Keyword

nonn

Author

R. H. Hardin Jul 19 2010

Status

approved