Numerator of Sum_{k=0..2*n} (-1)^k/binomial(2*n, k)^2.
A100520
Numerator of Sum_{k=0..2*n} (-1)^k/binomial(2*n, k)^2.
Terms
- a(0) =1a(1) =7a(2) =137a(3) =2341a(4) =38629a(5) =1257937a(6) =50881679a(7) =164078209a(8) =18480100619
External references
- oeis: A100520