Number of pairs of Dyck paths of length 2*n touching the axis at the same points.
A391955
Number of pairs of Dyck paths of length 2*n touching the axis at the same points.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =38a(5) =274a(6) =2350a(7) =22531a(8) =233292a(9) =2555658a(10) =29232554a(11) =346013450a(12) =4211121946a(13) =52446977292a(14) =666024794758
External references
- oeis: A391955