References to A204132

Array: row n shows the coefficients of the characteristic polynomial of the nth principal submatrix of f(i,j)=(2i-1 if i=j and 1 otherwise) for i>=1 and j>=1 (as in A204131).
1, 1, 2, 4, 1, 8, 20, 9, 1, 48, 136, 80, 16, 1, 384, 1184, 820, 220, 25, 1

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