413426

Appears in sequences

• Triangle T(n, k, q) = binomial(n, k) + q^n*binomial(n-2, k-1) - 1 with T(n, 0) = T(n, n) = 1 and q = 3, read by rows.at n=48A173047
• Triangle T(n, k, q) = binomial(n, k) + q^n*binomial(n-2, k-1) - 1 with T(n, 0) = T(n, n) = 1 and q = 3, read by rows.at n=51A173047
• E.g.f. satisfies A(x) = 1/(1 - log(1 + x*A(x)^2)).at n=6A367136