67992

Appears in sequences

• Number of distinct solutions of sum{i=1..3}(x(2i-1)*x(2i)) = 0 (mod n), with x() only in 2..n-2.at n=22A180815
• Number of 6-step one space at a time bishop's tours on an n X n board summed over all starting positions.at n=18A187159
• G.f. A(x) satisfies: A(x) = A(x^2) / (1 - x - x^2 - x^3 - x^4).at n=17A309703