Number of free generators of degree n of the primitive Lie algebra of the Hopf algebra of Free quasi-symmetric functions (or Malvenuto-Reutenauer algebra of permutations).
A122826
Number of free generators of degree n of the primitive Lie algebra of the Hopf algebra of Free quasi-symmetric functions (or Malvenuto-Reutenauer algebra of permutations).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =10a(4) =55a(5) =377a(6) =2892a(7) =25007a(8) =239286a(9) =2514113a(10) =28781748a(11) =356825354a(12) =4765183277a(13) =68227504423
External references
- oeis: A122826