One-fourth of third column of triangle A067304.
A067306
One-fourth of third column of triangle A067304.
Terms
- a(0) =1a(1) =8a(2) =75a(3) =796a(4) =9176a(5) =111936a(6) =1421968a(7) =18618560a(8) =249542400a(9) =3407171584a(10) =47226230528a(11) =662805371904
External references
- oeis: A067306