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A000467 Number of permutations of length n by length of runs.
(Formerly M4868 N2083)
0
1, 12, 137, 1602, 19710, 257400, 3574957, 52785901, 827242933, 13730434111, 240806565782, 4452251786946, 86585391630673 (list; graph; refs; listen; history; internal format)
OFFSET

6,2

REFERENCES

F. N. David, M. G. Kendall and D. E. Barton, Symmetric Function and Allied Tables, Cambridge, 1966, p. 261.

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: A030023 A194013 A189501 * A059517 A097167 A125469

Adjacent sequences:  A000464 A000465 A000466 * A000468 A000469 A000470

KEYWORD

nonn

AUTHOR

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

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Last modified February 17 18:59 EST 2012. Contains 206075 sequences.