Number of ways to lace a shoe that has n pairs of eyelets.
A078602
Number of ways to lace a shoe that has n pairs of eyelets.
Terms
- a(0) =1a(1) =2a(2) =21a(3) =601a(4) =34278a(5) =3144357a(6) =421928841a(7) =77832868334
External references
- oeis: A078602