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 A280886 #4 Jan 12 2017 15:31:16 %S A280886 1,36,120,4950,792,97812,171600,8384805,972400,233084280,14734512, %T A280886 2345611788,5678805120,343522980720,1221436128,13374187844391, %U A280886 185339038104,22390031621100,18903665638000,5148292859617050,118997530835040,97446697480400580,78169931776006200 %N A280886 Number of set partitions of [n] into exactly eight blocks where sizes of distinct blocks are coprime. %H A280886 Wikipedia, <a href="https://en.wikipedia.org/wiki/Coprime_integers">Coprime integers</a> %H A280886 Wikipedia, <a href="https://en.wikipedia.org/wiki/Partition_of_a_set">Partition of a set</a> %Y A280886 Column k=8 of A280880. %K A280886 nonn %O A280886 8,2 %A A280886 _Alois P. Heinz_, Jan 09 2017