228810

Appears in sequences

• Number of rooted planar maps with 3 vertices and n faces and no isthmuses.at n=6A006420
• Lengths of the loop of the sequences "Sum of last n digits" beginning with (n-1) zeros followed by digit 1.at n=22A112546
• Number of s in {1,...,n}^n having shortest run with the same value of length 9.at n=21A228635
• Triangle read by rows: T(n,k) is the number of rooted planar maps with n edges, k faces and no isthmuses, n >= 0, k = 1..n+1.at n=52A342981