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 A321229 #6 Nov 01 2018 11:37:52 %S A321229 1,1,3,6,16,37,105,279,817,2387,7269 %N A321229 Number of non-isomorphic connected weight-n multiset partitions with multiset density -1. %C A321229 The multiset density of a multiset partition is the sum of the numbers of distinct vertices in each part minus the number of parts minus the number of vertices. %C A321229 The weight of a multiset partition is the sum of sizes of its parts. Weight is generally not the same as number of vertices. %e A321229 Non-isomorphic representatives of the a(1) = 1 through a(5) = 37 multiset partitions: %e A321229 {{1}} {{1,1}} {{1,1,1}} {{1,1,1,1}} {{1,1,1,1,1}} %e A321229 {{1,2}} {{1,2,2}} {{1,1,2,2}} {{1,1,2,2,2}} %e A321229 {{1},{1}} {{1,2,3}} {{1,2,2,2}} {{1,2,2,2,2}} %e A321229 {{1},{1,1}} {{1,2,3,3}} {{1,2,2,3,3}} %e A321229 {{2},{1,2}} {{1,2,3,4}} {{1,2,3,3,3}} %e A321229 {{1},{1},{1}} {{1},{1,1,1}} {{1,2,3,4,4}} %e A321229 {{1,1},{1,1}} {{1,2,3,4,5}} %e A321229 {{1},{1,2,2}} {{1},{1,1,1,1}} %e A321229 {{1,2},{2,2}} {{1,1},{1,1,1}} %e A321229 {{1,3},{2,3}} {{1,1},{1,2,2}} %e A321229 {{2},{1,2,2}} {{1},{1,2,2,2}} %e A321229 {{3},{1,2,3}} {{1,2},{2,2,2}} %e A321229 {{1},{1},{1,1}} {{1,2},{2,3,3}} %e A321229 {{1},{2},{1,2}} {{1,3},{2,3,3}} %e A321229 {{2},{2},{1,2}} {{1,4},{2,3,4}} %e A321229 {{1},{1},{1},{1}} {{2},{1,1,2,2}} %e A321229 {{2},{1,2,2,2}} %e A321229 {{2},{1,2,3,3}} %e A321229 {{2,2},{1,2,2}} %e A321229 {{3},{1,2,3,3}} %e A321229 {{3,3},{1,2,3}} %e A321229 {{4},{1,2,3,4}} %e A321229 {{1},{1},{1,1,1}} %e A321229 {{1},{1,1},{1,1}} %e A321229 {{1},{1},{1,2,2}} %e A321229 {{1},{1,2},{2,2}} %e A321229 {{1},{2},{1,2,2}} %e A321229 {{2},{1,2},{2,2}} %e A321229 {{2},{1,3},{2,3}} %e A321229 {{2},{2},{1,2,2}} %e A321229 {{2},{3},{1,2,3}} %e A321229 {{3},{1,3},{2,3}} %e A321229 {{3},{3},{1,2,3}} %e A321229 {{1},{1},{1},{1,1}} %e A321229 {{1},{2},{2},{1,2}} %e A321229 {{2},{2},{2},{1,2}} %e A321229 {{1},{1},{1},{1},{1}} %Y A321229 Cf. A000272, A007716, A007718, A030019, A052888, A134954, A304867, A304887, A318697, A321155, A321227, A321228, A321231. %K A321229 nonn,more %O A321229 0,3 %A A321229 _Gus Wiseman_, Oct 31 2018