301736

Appears in sequences

• Number of 8-step S, NW and NE-moving king's tours on an n X n board summed over all starting positions.at n=18A187382
• Number of ways to reciprocally link elements of an 5 X n array either to themselves or to exactly two horizontal and antidiagonal neighbors, without consecutive collinear links.at n=10A220710
• a(n) is the number of vector subspaces in (F_8)^n, counted up to coordinate permutation.at n=6A348106