A083062 a(n) = (n+1)^n/(n+2) - (-1)^n/(n+2).

0, 1, 2, 13, 104, 1111, 14706, 233017, 4304672, 90909091, 2161452050, 57154490053, 1664148937320, 52914318216943, 1824557876586914, 67818912035696881, 2703399548648159360, 115047976828352449051, 5206367514895562076642, 249660952380952380952381

Offset: 0

Author

Paul Barry, Apr 20 2003

Keywords

• easy
• nonn

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..200

Crossrefs

Cf. A081216, A081209.

Programs

Mathematica

Table[(n+1)^n/(n+2)-(-1)^n/(n+2),{n,0,20}] (* Harvey P. Dale, Oct 08 2013 *)