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 A345710 #20 Aug 11 2025 05:25:36 %S A345710 1,1,1,2,1,1,3,3,1,1,6,5,3,1,1,10,11,6,3,1,1,20,19,14,6,3,1,1,37,41, %T A345710 24,15,6,3,1,1,74,77,53,26,15,6,3,1,1,142,159,99,59,27,15,6,3,1,1,284, %U A345710 307,207,111,62,27,15,6,3,1,1,558,625,400,232,117,63 %N A345710 Triangle read by rows in which T(n,k) is half the number of n-bit words with maximum overlap k, n >= 1, k >= 0. %H A345710 H. Harborth, <a href="https://gdz.sub.uni-goettingen.de/id/PPN243919689_0271">Endliche 0-1-Folgen mit gleichen Teilblöcken</a>, J. für Reine Angewandte Math. 271 (1974), 139-154. %F A345710 T(n,k) = A345530(n,k)/2. %e A345710 Triangle begins: %e A345710 1; %e A345710 1, 1; %e A345710 2, 1, 1; %e A345710 3, 3, 1, 1; %e A345710 6, 5, 3, 1, 1; %e A345710 10, 11, 6, 3, 1, 1; %e A345710 ... %Y A345710 Cf. A345530 (main entry). %K A345710 nonn,tabl %O A345710 1,4 %A A345710 _Sean A. Irvine_, Jun 24 2021