HankelMatrix
HankelMatrix[n] gives the n×n Hankel matrix with first row and first column being successive integers.
HankelMatrix[{c1,c2,…,cn}] gives the Hankel matrix whose first column consists of entries c1, c2, ….
HankelMatrix[{c1,c2,…,cm},{r1,r2,…, rn}] gives the Hankel matrix with entries ci down the first column, and ri across the last row.
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