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428th Lucas Number

428th Number in the Lucas Number Sequence = 202401005213503038261932567177107618332887918916819829782797456368284639448671475316218754

In general, the nth term is given by f(n-1)+f(n-2)

To understand this sequence and how it differs from the Fibonacci series, you might find it useful to read the Lucas Sequence tutorial over here.