Triangular array read by rows: T(n,k) = the number of closed meanders with n top arches and k closed meanders in the reduction of the closed meander by the reverse of the exterior arch splitting algorithm.
A363910
Triangular array read by rows: T(n,k) = the number of closed meanders with n top arches and k closed meanders in the reduction of the closed meander by the reverse of the exterior arch splitting algorithm.
Terms
- a(0) =1a(1) =0a(2) =2a(3) =0a(4) =2a(5) =6a(6) =0a(7) =6a(8) =14a(9) =22a(10) =0a(11) =28a(12) =56a(13) =86a(14) =92a(15) =0a(16) =162a(17) =298a(18) =428a(19) =518a(20) =422a(21) =0a(22) =1076a(23) =1868a(24) =2562a(25) =3096a(26) =3144a(27) =2074a(28) =0a(29) =7852
External references
- oeis: A363910