424116

Appears in sequences

• A convolution triangle of numbers obtained from A036224.at n=41A132166
• Square array read by antidiagonals downwards: super Patalan numbers of order 6.at n=18A248328
• Diagonal of the rational function of six variables 1/((1 - w - u v - u v w) * (1 - z - x y)).at n=5A268555
• a(n) = Sum_{k=0..n} k^4 * (n-k)! * binomial(n,k)^2.at n=6A341196