(1/binomial(0,0) - 1/binomial(2,1) + ... + d/binomial(2n,n))*L, where d = (-1)^n, L = LCM{binomial(0,0), binomial(2,1),..., binomial(2n,n)}.
A025542
(1/binomial(0,0) - 1/binomial(2,1) + ... + d/binomial(2n,n))*L, where d = (-1)^n, L = LCM{binomial(0,0), binomial(2,1),..., binomial(2n,n)}.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =37a(4) =265a(5) =790a(6) =8705a(7) =226225a(8) =226253a(9) =3846175a(10) =73077955a(11) =73077790a(12) =1680790160a(13) =8403949513a(14) =25211849540
External references
- oeis: A025542