221079456

Appears in sequences

• Order of automorphism group of the group C_n X C_n X C_n (where C_n is the cyclic group of order n).at n=8A064767
• Dimension of 3-variable non-commutative harmonics (Hausdorff derivative). The dimension of the space of non-commutative polynomials in 3 variables which are killed by all symmetric differential operators (where for a monomial w, d_{xi} ( w ) = sum over all subwords of w deleting xi once).at n=18A122392