570810240

Appears in sequences

• Sixth (unsigned) column sequence of triangle A062139 (generalized a=2 Laguerre).at n=6A062195
• Triangle read by rows: the triangle in A034855, with the n-th row normalized by dividing it by n.at n=50A235595
• Expansion of e.g.f. exp(x^2 * (1 + x)).at n=13A376512