39851

Appears in sequences

• Riordan matrix (1/(x+sqrt(1-4x)),(1-sqrt(1-4x))/(2(x+sqrt(1-4x)))).at n=59A188513
• Number of n X 2 arrays of occupancy after each element moves to some king-move neighbor.at n=4A221189
• T(n,k)=Number of nXk arrays of occupancy after each element moves to some king-move neighbor.at n=16A221192
• T(n,k)=Number of nXk arrays of occupancy after each element moves to some king-move neighbor.at n=19A221192
• T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal, diagonal or antidiagonal neighbor.at n=16A221723
• Number of integers in n-th generation of tree T(5/2) defined in Comments.at n=28A274153
• Let p = n-th prime == 3 mod 8; a(n) = sum of quadratic nonresidues mod p that are < p/2.at n=38A282724
• Numbers that are the sum of four third powers in exactly seven ways.at n=35A345151