a(n) = Sum_{k=0..n} (k^k-k!).
A068983
a(n) = Sum_{k=0..n} (k^k-k!).
Terms
- a(0) =0a(1) =2a(2) =23a(3) =255a(4) =3260a(5) =49196a(6) =867699a(7) =17604595a(8) =404662204a(9) =10401033404a(10) =295672787215
External references
- oeis: A068983
A068983
a(n) = Sum_{k=0..n} (k^k-k!).