HankelMatrix

HankelMatrix[n]
gives the n×n Hankel matrix with first row and first column being successive integers.

HankelMatrix[{c₁, c₂, ..., c_n}]
gives the Hankel matrix whose first column consists of elements , , ....

HankelMatrix[{c₁, c₂, ..., c_m}, {r₁, r₂, ..., r_n}]
gives the Hankel matrix with elements down the first column, and across the last row.