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A002842
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Number of strongly asymmetric sequences of length n.
(Formerly M3446 N1400)
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0
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4, 12, 36, 96, 264, 648, 1584, 3576, 7872, 15360, 29184, 51120, 90384, 158448, 286296, 509808, 904296, 1556304
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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REFERENCES
| F. Fiala, Strongly asymmetric sequences generated by four elements, Math. Comp., 25 (1971), 155-162.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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CROSSREFS
| Sequence in context: A190072 A063810 A183931 * A051041 A192626 A002906
Adjacent sequences: A002839 A002840 A002841 * A002843 A002844 A002845
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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