Number of separate orbits/cycles to which the Catalan bijection A057508 partitions each A000108(n) structures encoded in the range [A014137(n-1)..A014138(n-1)] of the sequence A014486/A063171.

A073193

Number of separate orbits/cycles to which the Catalan bijection A057508 partitions each A000108(n) structures encoded in the range [A014137(n-1)..A014138(n-1)] of the sequence A014486/A063171.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =4a(4) =11a(5) =30a(6) =93a(7) =292a(8) =965a(9) =3238a(10) =11126a(11) =38708a(12) =136486a(13) =485820a(14) =1744677a(15) =6310584a(16) =22973793a(17) =84103302a(18) =309429066a(19) =1143487428a(20) =4242631626a(21) =15798011604a(22) =59018856522a(23) =221143860936a(24) =830895360978

External references