36198

Appears in sequences

• Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having k peaks of height >1 (n >= 1; 0 <= k <= n-1).at n=50A128747
• Number of 4-step one space leftwards or up, two space rightwards or down asymmetric rook's tours on an n X n board summed over all starting positions.at n=26A187299
• a(n) = 4^n - (n+6)*3^(n-1) + (n+2)*2^(n-1).at n=8A381643