Sum of the diagonal entries of the table of marks of the symmetric group.
A218919
Sum of the diagonal entries of the table of marks of the symmetric group.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =10a(4) =47a(5) =165a(6) =950a(7) =5632a(8) =43772a(9) =376586a(10) =3717663a(11) =40555909a(12) =484838080a(13) =6286289685
External references
- oeis: A218919