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 A270771 #5 Mar 22 2016 19:30:22
%S A270771 877,5894,40338,283625,2057641,15433189,119762455,961547874,
%T A270771 7984210898,68521246341,607314230475,5554296859153,52371126544185,
%U A270771 508651182043282,5084366849258598,52260701351731693,551924896479043065,5984245105527717453,66563423916839226915
%N A270771 Total sum of the sizes of all blocks with minimal element 8 in all set partitions of {1,2,...,n}.
%H A270771 Alois P. Heinz, <a href="/A270771/b270771.txt">Table of n, a(n) for n = 8..575</a>
%H A270771 Wikipedia, <a href="https://en.wikipedia.org/wiki/Partition_of_a_set">Partition of a set</a>
%Y A270771 Column k=8 of A270702.
%Y A270771 A diagonal of A270701.
%K A270771 nonn
%O A270771 8,1
%A A270771 _Alois P. Heinz_, Mar 22 2016