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A002842 Number of strongly asymmetric sequences of length n.
(Formerly M3446 N1400)
+0
1
4, 12, 36, 96, 264, 648, 1584, 3576, 7872, 15360, 29184, 51120, 90384, 158448, 286296, 509808, 904296, 1556304 (list; graph; listen)
OFFSET

1,1

REFERENCES

F. Fiala, Strongly asymmetric sequences generated by four elements, Math. Comp., 25 (1971), 155-162.

CROSSREFS

Sequence in context: A095735 A020875 A063810 this_sequence A051041 A002906 A001411

Adjacent sequences: A002839 A002840 A002841 this_sequence A002843 A002844 A002845

KEYWORD

nonn

AUTHOR

njas

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.


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