释义 |
Padovan SequenceThe Integer Sequence defined by the Recurrence Relation
with the initial conditions . The first few terms are 1, 1, 2, 2, 3, 4, 5, 7, 9, 12, ...(Sloane's A000931). The ratio is called the Plastic Constant.See also Perrin Sequence, Plastic Constant References
Sloane, N. J. A. SequenceA000931/M0284in ``An On-Line Version of the Encyclopedia of Integer Sequences.''http://www.research.att.com/~njas/sequences/eisonline.html and Sloane, N. J. A. and Plouffe, S.The Encyclopedia of Integer Sequences. San Diego: Academic Press, 1995.Stewart, I. ``Tales of a Neglected Number.'' Sci. Amer. 274, 102-103, June 1996.
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