a(n) = Sum_{k=0..n} 2^((n + k - 1)*(n - k)/2) * n! / (n - k)!. Row sums of A365638.
A379614
a(n) = Sum_{k=0..n} 2^((n + k - 1)*(n - k)/2) * n! / (n - k)!. Row sums of A365638.
Terms
- a(0) =1a(1) =2a(2) =8a(3) =62a(4) =920a(5) =26104a(6) =1420496a(7) =148881328a(8) =30184791424
External references
- oeis: A379614