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.
%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