3595865

Appears in sequences

• Backwards shallow diagonal sums of Catalan triangle A009766.at n=14A030238
• Expansion of 1/(1-x^2*c(x)), c(x) the g.f. of A000108.at n=16A132364
• a(n) = Sum_{k=1..n} binomial(2*n - 3*k + 1, n - k)*k/(n - k + 1).at n=15A319636