a(n) = 16^n * Sum_{k=0..n} (-1)^k*binomial(1/2, k)^2.
A358363
a(n) = 16^n * Sum_{k=0..n} (-1)^k*binomial(1/2, k)^2.
Terms
- a(0) =1a(1) =12a(2) =196a(3) =3120a(4) =50020a(5) =799536a(6) =12799632a(7) =204724416a(8) =3276326820a(9) =52413049520a(10) =838703348496
External references
- oeis: A358363