4118400

Appears in sequences

• Table read by rows. Coefficients of Lommel polynomials L(n, m, z) = (Gamma(n + m) / (Gamma(n) * (z/2)^m)) * hypergeom([(1 - m)/2, -m/2], [n, -m, 1 - n - m], z^2) for n = m and descending powers.at n=35A171636
• Exponential Riordan array (1, x*cosh(x)).at n=69A185951
• Smaller of pairs (m, n), such that the difference of their squares is a cube and the difference of their cubes is a square.at n=22A261296
• T(n, k) = (1/n) * Sum_{d|n} phi(d) * A241171(n/d, k) for n >= 1, T(0, k) = 0^k. Triangle read by rows for 0 <= k <= n.at n=32A327027
• Table read by rows. T(n, k) = [z^k] LommelR(n, n, 1/z) where LommelR are the Lommel polynomials.at n=40A369117