57850

Appears in sequences

• Beach-Williams Pell numbers of type 2pqrs (p,q,r,s primes).at n=5A212077
• a(n) = n*(n + 1)*(n + 2)*(3*n + 17)/24.at n=24A241765
• Number of (6+1) X (n+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference unequal to its neighbors horizontally and nw+se diagonal sum unequal to its neighbors vertically.at n=15A253703
• Number of nX4 0..1 arrays with every element equal to 0, 1, 3 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.at n=7A302077