a(0) = 1; a(n) = Sum_{k=0..n-1} binomial(n+3,k+3) * a(k).
A352863
a(0) = 1; a(n) = Sum_{k=0..n-1} binomial(n+3,k+3) * a(k).
Terms
- a(0) =1a(1) =4a(2) =30a(3) =260a(4) =2625a(5) =30296a(6) =393372a(7) =5675160a(8) =90062775a(9) =1559197420a(10) =29242803018a(11) =590638256572
External references
- oeis: A352863