a(n) = Sum_{k=0..n} (-1)^(n-k)*binomial(n, k)*E1(n, k).
A344052
a(n) = Sum_{k=0..n} (-1)^(n-k)*binomial(n, k)*E1(n, k).
Terms
- a(0) =1a(1) =-1a(2) =-1a(3) =8a(4) =19a(5) =-276a(6) =-1002a(7) =21216a(8) =103395a(9) =-2881180a(10) =-17620142a(11) =609297072a(12) =4483215086a(13) =-185182296040
External references
- oeis: A344052