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 A287588 #6 May 26 2017 20:52:16 %S A287588 1,1,2,5,15,52,203,877,4140,21147,115975,657422,3827003,22740552, %T A287588 137213894,837118303,5146402217,31802294171,197197352995, %U A287588 1225688654009,7632924133053,47595564684961,297036512468620,1854733471252332,11584802491032094,72372543412986244 %N A287588 Number of set partitions of [n] such that all absolute differences between least elements of consecutive blocks and between consecutive elements within the blocks are not larger than nine. %H A287588 Alois P. Heinz, <a href="/A287588/b287588.txt">Table of n, a(n) for n = 0..1000</a> %H A287588 Wikipedia, <a href="https://en.wikipedia.org/wiki/Partition_of_a_set">Partition of a set</a> %F A287588 a(n) = A000110(n) for n <= 10. %Y A287588 Column k=9 of A287417. %Y A287588 Cf. A000110. %K A287588 nonn %O A287588 0,3 %A A287588 _Alois P. Heinz_, May 26 2017