Number of genus 1 unsensed hypermaps with n darts.
A214822
Number of genus 1 unsensed hypermaps with n darts.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =6a(4) =30a(5) =211a(6) =1350a(7) =9636a(8) =69169a(9) =513012a(10) =3843024a(11) =29107494
External references
- oeis: A214822