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 A276897 #7 Sep 22 2016 09:47:55 %S A276897 1,1,3,13,75,541,4683,47293,498542,5586952,67067528,863967424, %T A276897 11931711152,176258744536,2777402228132,46453613044464, %U A276897 821540685443328,15314758450069728,300131246157443016,6169170736959823656,132727347264381285042,2983326113743943646918 %N A276897 Number of ordered set partitions of [n] such that for each block b the smallest integer interval containing b has at most seven elements. %H A276897 Alois P. Heinz, <a href="/A276897/b276897.txt">Table of n, a(n) for n = 0..448</a> %F A276897 a(n) ~ exp(6) * n!. - _Vaclav Kotesovec_, Sep 22 2016 %Y A276897 Column k=7 of A276890. %Y A276897 Cf. A276723. %K A276897 nonn %O A276897 0,3 %A A276897 _Alois P. Heinz_, Sep 21 2016