80446domain: NAppears in sequencesTriangle read by rows: T(n, k) = binomial(n, k) + 2*(1 + n! - k! - (n-k)!).at n=39A156049Triangle read by rows: T(n, k) = binomial(n, k) + 2*(1 + n! - k! - (n-k)!).at n=41A156049G.f. A(x) satisfies A(x) = (1 + x*A(x)/(1 - x*A(x))^2)^2.at n=7A365133