Search: id:A000239
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%I A000239 M2758 N1109
%S A000239 1,3,8,28,143,933,7150,62310,607445,6545935,77232740,989893248,
%T A000239 13692587323,203271723033,3223180454138
%N A000239 Number of permutations of length n by rises.
%C A000239 First differences seem to be in A000130. - Ralf Stephan (ralf(AT)ark.in-berlin.de), 
               Aug 28 2003
%D A000239 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A000239 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A000239 F. N. David, M. G. Kendall and D. E. Barton, Symmetric Function and Allied 
               Tables, Cambridge, 1966, p. 264.
%Y A000239 Sequence in context: A135583 A009437 A000776 this_sequence A060707 A080874 
               A148867
%Y A000239 Adjacent sequences: A000236 A000237 A000238 this_sequence A000240 A000241 
               A000242
%K A000239 nonn
%O A000239 2,2
%A A000239 N. J. A. Sloane (njas(AT)research.att.com).

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