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 A101105 #7 Jun 23 2020 19:05:13
%S A101105 1,5,18,44,90,167,257,397,596,782,1079,1404,1793,2226,2813,3337,4110,
%T A101105 4848,5632,6671,7773,8861,10160,11792,13046,14846,16653,18494,20678,
%U A101105 22985,25064,27828,30431,33181,36384,39617,42795,46650,50873,54438
%N A101105 Row sums of triangle A101224, which is related to the Flavius sieve (A000960).
%H A101105 <a href="/index/J#Josephus">Index entries for sequences related to the Josephus Problem</a>
%o A101105 (PARI) {a(n)=local(A);sum(k=1,n,if(k==1,A=n^2-n+1,A=(n-k+1)*floor((A-1)/(n-k+1))))}
%Y A101105 Cf. A101224.
%K A101105 nonn
%O A101105 1,2
%A A101105 _Paul D. Hanna_, Dec 01 2004