166186

Appears in sequences

• Number of 8-step S, E, and NW-moving king's tours on an n X n board summed over all starting positions.at n=18A187513
• Array read by antidiagonals: T(m,n) (m >= 0, n >= 0) = number of connected row convex (CRC) constraints between an m-element set and an n-element set.at n=60A372067