Denominator of (5/2)*Sum_{i=1..n} (-1)^(i-1)/(i^3*C(2*i,i)).
A089639
Denominator of (5/2)*Sum_{i=1..n} (-1)^(i-1)/(i^3*C(2*i,i)).
Terms
- a(0) =1a(1) =4a(2) =96a(3) =864a(4) =48384a(5) =1209600a(6) =5702400a(7) =25427001600a(8) =203416012800
External references
- oeis: A089639