a(n) = 16^n * Sum_{k=0..n} binomial(-1/2, k)^2.
A358365
a(n) = 16^n * Sum_{k=0..n} binomial(-1/2, k)^2.
Terms
- a(0) =1a(1) =20a(2) =356a(3) =6096a(4) =102436a(5) =1702480a(6) =28093456a(7) =461273920a(8) =7546019620a(9) =123100218320
External references
- oeis: A358365