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A001278 Number of permutations of length n by rises.
(Formerly M4799 N2050)
2
1, 11, 87, 693, 5934, 55674, 572650, 6429470, 78366855, 1031378445, 14583751161, 220562730171, 3553474061452, 60765835154948, 1099353888345924, 20980355229808524, 421242574828254525, 8876636475162819615, 195887449298481357835, 4517865858233007694865, 108699311713253202373146, 2723633081926998772488606 (list; graph; refs; listen; history; text; internal format)
OFFSET
4,2
REFERENCES
F. N. David, M. G. Kendall and D. E. Barton, Symmetric Function and Allied Tables, Cambridge, 1966, p. 264.
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).
LINKS
FORMULA
a(n) = A136123(n,2). Emeric Deutsch and Vladeta Jovovic, Dec 17 2007
Conjecture: D-finite with recurrence a(n) +(-n-3)*a(n-1) +3*(n-2)*a(n-2) +2*(n-1)*a(n-3) +(-6*n+17)*a(n-4) +(-n+5)*a(n-5) +3*(n-4)*a(n-6)=0. - R. J. Mathar, Jul 01 2022
CROSSREFS
Sequence in context: A163616 A224182 A119383 * A125304 A334249 A192827
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Vladeta Jovovic, Nov 21 2007
STATUS
approved

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Last modified July 20 05:30 EDT 2024. Contains 374441 sequences. (Running on oeis4.)