Search: id:A002875
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%I A002875 M1300 N0498
%S A002875 1,2,4,24,128,880,7440
%N A002875 Sorting numbers (see Motzkin article for details).
%D A002875 T. S. Motzkin, Sorting numbers ...: for a link to this paper see A000262.
%D A002875 T. S. Motzkin, Sorting numbers for cylinders and other classification 
               numbers, in Combinatorics, Proc. Symp. Pure Math. 19, AMS, 1971, 
               pp. 167-176.
%D A002875 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A002875 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%H A002875 <a href="Sindx_So.html#sorting">Index entries for sequences related to 
               sorting</a>
%Y A002875 Cf. A036073, A001861, A002872-A002874.
%Y A002875 Sequence in context: A119036 A164313 A087981 this_sequence A110491 A019010 
               A009672
%Y A002875 Adjacent sequences: A002872 A002873 A002874 this_sequence A002876 A002877 
               A002878
%K A002875 nonn,nice,more,easy
%O A002875 0,2
%A A002875 N. J. A. Sloane (njas(AT)research.att.com).

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