110954

Appears in sequences

• Closed meandric numbers (or meanders): number of ways a loop can cross a road 2n times.at n=8A005315
• Meandric numbers: number of ways a river can cross a road n times.at n=15A005316
• Triangle read by rows: T(n,k) = number of closed meander systems of order n with k<=n components.at n=28A008828
• Numerators of continued fraction convergents to sqrt(215).at n=8A041400
• Number of ways that a directed line (or river) that starts in the south can cross an east-west road n times.at n=15A077014
• Irregular triangle read by rows: T(n,k) = number of meanders with n bridges in which the first bridge is bridge k.at n=64A259974
• Triangle read by rows: T(n,k) is the number of closed forest meander systems with 2n crossings and k components.at n=37A380368