a(n) = (n+1)^(n-1)/(n+2) + (-1)^n/(n+2).
A083063
a(n) = (n+1)^(n-1)/(n+2) + (-1)^n/(n+2).
Terms
- a(0) =1a(1) =0a(2) =1a(3) =3a(4) =21a(5) =185a(6) =2101a(7) =29127a(8) =478297a(9) =9090909a(10) =196495641a(11) =4762874171a(12) =128011456717
External references
- oeis: A083063