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 A280888 #4 Jan 12 2017 14:45:55 %S A280888 1,55,220,13585,2002,365365,732160,52971490,5299580,1872409682, %T A280888 99936200,23179025870,62214309080,5550857869040,12039496832, %U A280888 261712025228225,2847305553950,449212777481325,340010469598800,138437940253287675,2463591280250100,2996433107369524875 %N A280888 Number of set partitions of [n] into exactly ten blocks where sizes of distinct blocks are coprime. %H A280888 Wikipedia, <a href="https://en.wikipedia.org/wiki/Coprime_integers">Coprime integers</a> %H A280888 Wikipedia, <a href="https://en.wikipedia.org/wiki/Partition_of_a_set">Partition of a set</a> %Y A280888 Column k=10 of A280880. %K A280888 nonn %O A280888 10,2 %A A280888 _Alois P. Heinz_, Jan 09 2017