a(1) = 1; for n >= 2, a(n) = (n*(n+1)^(n-1))/(n+1).
A085389
a(1) = 1; for n >= 2, a(n) = (n*(n+1)^(n-1))/(n+1).
Terms
- a(0) =1a(1) =2a(2) =12a(3) =100a(4) =1080a(5) =14406a(6) =229376a(7) =4251528a(8) =90000000a(9) =2143588810a(10) =56757583872
External references
- oeis: A085389