a(n) = Sum_{k=0..n} 2^(n - k) * Sum_{j=0..k} binomial(k, j) * (2*j + 1)^n. Row sums of A363398.
A363396
a(n) = Sum_{k=0..n} 2^(n - k) * Sum_{j=0..k} binomial(k, j) * (2*j + 1)^n. Row sums of A363398.
Terms
- a(0) =1a(1) =6a(2) =68a(3) =1280a(4) =33104a(5) =1089312a(6) =43575104a(7) =2053324800a(8) =111402371328
External references
- oeis: A363396