38968

Appears in sequences

• a(n) = Sum_{k=0..floor(n/6)} C(n-3k,3k) * 2^(n-5k).at n=13A100138
• Number of 3-turn bishop's tours on an n X n board summed over all starting positions.at n=12A188778
• Number of n X 3 0..1 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.at n=37A223833
• a(n) = floor(1/(zeta(4) - Sum_{h=1..n} 1/h^4)).at n=22A248230