a(n) = Sum_{j=0..n} (-1)^j*binomial(2*n - j, j)*c(n - j + 1)^2, where c(n) is the n-th Catalan number.
A358118
a(n) = Sum_{j=0..n} (-1)^j*binomial(2*n - j, j)*c(n - j + 1)^2, where c(n) is the n-th Catalan number.
Terms
- a(0) =1a(1) =3a(2) =14a(3) =94a(4) =728a(5) =6220a(6) =56960a(7) =549412a(8) =5517746a(9) =57235402a(10) =609632284a(11) =6638455152a(12) =73653980850a(13) =830429715762
External references
- oeis: A358118