633456

Appears in sequences

• a(n) = n!*(2/1 - 3/2 + 4/3 - ... + s*(n+1)/n), where s = (-1)^(n+1).at n=8A080958
• Square array of coefficients of binomial polynomials, read by antidiagonals.at n=53A080959
• Number of dissections of an n-gon by nonintersecting diagonals into polygons with a prime number of sides counted up to rotations and reflections.at n=13A295419