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A098054
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Let M={{0,1},{1,1}}, M0=MatrixPower[(M-IdentityMatrix[2]),2], Det[M0]; a[n_]:=M0.a[n-1]; a[0]:={{0,1},{1,1}};
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0
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0, 1, 1, 1, 1, 1, 1, 0, 3, 2, 2, 1, 8, 5, 5, 3, 21, 13, 13, 8, 55, 34, 34, 21, 144, 89, 89, 55, 377, 233, 233, 144, 987, 610, 610, 377, 2584, 1597, 1597, 987, 6765, 4181, 4181, 2584, 17711, 10946, 10946, 6765, 46368, 28657, 28657, 17711, 121393, 75025, 75025
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OFFSET
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0,9
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COMMENTS
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2 X 2 matrix sequence of square (M-I)^2 on Fibonacci generator matrix.
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LINKS
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MATHEMATICA
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(* 2 X 2 matrix sequence*) digits=50 M={{0, 1}, {1, 1}} M0=MatrixPower[(M-IdentityMatrix[2]), 2] Det[M0] A[n_]:=M0.A[n-1]; A[0]:={{0, 1}, {1, 1}}; (* flattened sequence of 2 X 2 matrices made with an alternating recurrence*) b=Flatten[Table[Abs[A[n]], {n, 0, digits}]] ListPlot[b, PlotJoined->True]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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