a(n) = Sum_{k=0..n} 2^(n - k) * Sum_{j=0..k} binomial(k, j) * (j + 1)^n. Row sums of A363399.
A363397
a(n) = Sum_{k=0..n} 2^(n - k) * Sum_{j=0..k} binomial(k, j) * (j + 1)^n. Row sums of A363399.
Terms
- a(0) =1a(1) =5a(2) =32a(3) =302a(4) =3904a(5) =64272a(6) =1286144a(7) =30313712a(8) =822571008a(9) =25258008320a(10) =865863532544
External references
- oeis: A363397