4th-order Patalan numbers (generalization of Catalan numbers).
A025749
4th-order Patalan numbers (generalization of Catalan numbers).
Terms
- a(0) =1a(1) =1a(2) =6a(3) =56a(4) =616a(5) =7392a(6) =93632a(7) =1230592a(8) =16612992a(9) =228890112a(10) =3204461568a(11) =45445091328a(12) =651379642368
External references
- oeis: A025749