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 A287587 #5 May 26 2017 20:53:51 %S A287587 1,1,2,5,15,52,203,877,4140,21147,111834,607467,3364240,18882202, %T A287587 106908086,608561226,3475148745,19883233772,113936008776,653440621531, %U A287587 3749084054994,21512691124035,123438301231813,708214150892273,4062870450258864,23305411737849083 %N A287587 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 eight. %H A287587 Alois P. Heinz, <a href="/A287587/b287587.txt">Table of n, a(n) for n = 0..1000</a> %H A287587 Wikipedia, <a href="https://en.wikipedia.org/wiki/Partition_of_a_set">Partition of a set</a> %F A287587 a(n) = A000110(n) for n <= 9. %Y A287587 Column k=8 of A287417. %Y A287587 Cf. A000110. %K A287587 nonn %O A287587 0,3 %A A287587 _Alois P. Heinz_, May 26 2017