Number of basic interval orders of length n.
A049463
Number of basic interval orders of length n.
Terms
- a(0) =1a(1) =2a(2) =7a(3) =34a(4) =219a(5) =1787a(6) =17936a(7) =216169a(8) =3069552a(9) =50562672a(10) =953877927a(11) =20389082457a(12) =489301660818
External references
- oeis: A049463