Number of permutations of 1..n+6 with the number moved left exceeding the number moved right by n or more.
A179581
Number of permutations of 1..n+6 with the number moved left exceeding the number moved right by n or more.
Terms
- a(0) =1823a(1) =6095a(2) =19389a(3) =59939a(4) =182284a(5) =549268a(6) =1646856a(7) =4925510a(8) =14716637a(9) =43963245a(10) =131367367a(11) =392727885a(12) =1174712338a(13) =3515619386a(14) =10526412826a(15) =31531005592a(16) =94480820299a(17) =283184511707a(18) =848966332193
External references
- oeis: A179581