Generalized Catalan numbers C(3,3; n).
A064341
Generalized Catalan numbers C(3,3; n).
Terms
- a(0) =1a(1) =1a(2) =6a(3) =81a(4) =1566a(5) =36126a(6) =921456a(7) =25055001a(8) =711951606a(9) =20891575566a(10) =628237506276
External references
- oeis: A064341