Number of meanders of order 2n+1 (4*n+2 crossings of the infinite line) with central 1-1 cut.
A208357
Number of meanders of order 2n+1 (4*n+2 crossings of the infinite line) with central 1-1 cut.
Terms
- a(0) =4a(1) =64a(2) =1764a(3) =68644a(4) =3341584a(5) =190992400a(6) =12310790116a(7) =871343837764
External references
- oeis: A208357