81120

Appears in sequences

• Number of ways to place a non-attacking white and black king on n X n chessboard.at n=16A035286
• a(n) = p(0) + p(1) + ... + p(n) - n - 1, where p = partition numbers, A000041.at n=35A058682
• First differences of A069474, successive differences of (n+1)^6-n^6.at n=13A069475
• Areas, in ascending order, of integer-sided right triangles whose hypotenuses are squares.at n=15A141502
• G.f. satisfies A(x) = A(x^2) + A(x^2)^2*A(x^3)/A(x^6), with A(0) = 0 and A'(0) = 1.at n=53A382316