a(n) = ((n+1)^(n-1) - 1)/n.
A125598
a(n) = ((n+1)^(n-1) - 1)/n.
Terms
- a(0) =0a(1) =1a(2) =5a(3) =31a(4) =259a(5) =2801a(6) =37449a(7) =597871a(8) =11111111a(9) =235794769a(10) =5628851293a(11) =149346699503
External references
- oeis: A125598
A125598
a(n) = ((n+1)^(n-1) - 1)/n.