Number of free generators of degree n of symmetric polynomials in 5-noncommuting variables.

A124293

Number of free generators of degree n of symmetric polynomials in 5-noncommuting variables.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =6a(4) =22a(5) =91a(6) =406a(7) =1896a(8) =9093a(9) =44279a(10) =217500a(11) =1073657a(12) =5314870a(13) =26352107a(14) =130778039a(15) =649352929a(16) =3225196431a(17) =16021584848a(18) =79597062632a(19) =395469296912

External references