2891700

Appears in sequences

• Dimension of 4-variable non-commutative harmonics (Hausdorff derivative). The dimension of the space of non-commutative polynomials in 4 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=11A122393
• Triangle read by rows: coefficients of third-order hypergeometric-harmonic polynomials.at n=41A222063