D _ { 4 } = \left| \begin{array} { c c c c } { 1 } & { 1 } & { 1 } & { 1 } \\ { 1 } & { 2 } & { 4 } & { 8 } \\ { 1 } & { 3 } & { 9 } & { 27 } \\ { 1 } & { 4 } & { 16 } & { 64 } \end{array} \right| =
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D_{4}≔12
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Examples
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