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A001252 Number of permutations of length n by length of runs.
(Formerly M2092 N0827)
0
2, 16, 134, 1164, 10982, 112354, 1245676, 14909340, 191916532, 2646066034, 38932027996 (list; graph; refs; listen; history; internal format)
OFFSET

4,1

REFERENCES

F. N. David, M. G. Kendall and D. E. Barton, Symmetric Function and Allied Tables, Cambridge, 1966, p. 262.

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).

CROSSREFS

Sequence in context: A002576 A037727 A037622 * A067058 A002302 A056662

Adjacent sequences:  A001249 A001250 A001251 * A001253 A001254 A001255

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 17 04:58 EST 2012. Contains 205985 sequences.