a(n) = numerator(1 + Sum_{k=1..n} n^2 / Product_{j=1..k} 4*j^2).
A212296
a(n) = numerator(1 + Sum_{k=1..n} n^2 / Product_{j=1..k} 4*j^2).
Terms
- a(0) =5a(1) =33a(2) =869a(3) =48449a(4) =1504375a(5) =124787549a(6) =119224713221
External references
- oeis: A212296