Number of Sylvester classes of 4-packed words of degree n.
A243667
Number of Sylvester classes of 4-packed words of degree n.
Terms
- a(0) =1a(1) =1a(2) =6a(3) =50a(4) =484a(5) =5105a(6) =56928a(7) =660112a(8) =7878940a(9) =96159476a(10) =1194532794a(11) =15053992178a(12) =191993403476
External references
- oeis: A243667