Sum of entries in the second cycles of all permutations of [n].
A285489
Sum of entries in the second cycles of all permutations of [n].
Terms
- a(0) =2a(1) =12a(2) =76a(3) =545a(4) =4422a(5) =40194a(6) =405072a(7) =4484808a(8) =54121680a(9) =707105520a(10) =9944043840a(11) =149769846720
External references
- oeis: A285489