a(n) = Sum_{k=0..n} 5^k * 3^(n-k) * binomial(n+k-1,k).
A386763
a(n) = Sum_{k=0..n} 5^k * 3^(n-k) * binomial(n+k-1,k).
Terms
- a(0) =1a(1) =8a(2) =114a(3) =1862a(4) =32246a(5) =576768a(6) =10529544a(7) =194960802a(8) =3647285766a(9) =68772760928
External references
- oeis: A386763