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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A192102 Number of distinct (unordered) pairs of partitions of a 9-element set that have Rand distance n.

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%I A192102 #18 Oct 07 2013 01:03:08
%S A192102 31572,141624,452508,1341648,3266172,7234374,12259368,18992502,
%T A192102 23324140,28129626,26605908,26190612,21568932,17119818,13040280,
%U A192102 8948079,6244308,3679032,2431044,1250109,640908,315828,197568,57288,46116,30366,25732,7695,4104,2226,3780,2205,1344,378,36,1
%N A192102 Number of distinct (unordered) pairs of partitions of a 9-element set that have Rand distance n.
%C A192102 The Rand distance of a pair of set partitions is the number of unordered pairs {x; y} such that there is a block in one partition containing both x and y, but x and y are in different blocks in the other partition.
%H A192102 F. Ruskey and J. Woodcock, <a href="http://webhome.cs.uvic.ca/~ruskey/Publications/RandDist/RandDist.html">The Rand and block distances of pairs of set partitions</a>, Combinatorial algorithms, 287-299, Lecture Notes in Comput. Sci., 7056, Springer, Heidelberg, 2011.
%Y A192102 Cf. A192100 for set sizes 2..7. A192098 for set size 8.
%K A192102 nonn,fini,full
%O A192102 1,1
%A A192102 _Frank Ruskey_ and Yuji Yamauchi (eugene.uti(AT)gmail.com), Aug 08 2011