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 A360967 #5 Feb 27 2023 07:05:28 %S A360967 3,13,11,57,205,43,241,3641,3277,171,993,61681,233017,52429,683,4033, %T A360967 1016801,15790321,14913081,838861,2731,16257,16519105,1041204193, %U A360967 4042322161,954437177,13421773,10923,65281,266354561,67662254017,1066193093601,1034834473201,61083979321,214748365 %N A360967 Array T(n,m) = (2^(m*(2*n+1))+1)/(2^m+1) read by antidiagonals. %H A360967 Quynh Nguyen, Jean Pedersen, and Hien T. Vu, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL19/Pedersen/pedersen2.html">New Integer Sequences Arising From 3-Period Folding Numbers</a>, JIS vol 19 (2016) #16.3.1 table 3 %e A360967 The array starts in row n=1 and column n=1 as %e A360967 3 13 57 241 %e A360967 11 205 3641 61681 %e A360967 43 3277 233017 15790321 %e A360967 171 52429 14913081 4042322161 %Y A360967 Cf. A007583 (col 1), A299960 (col 2). %K A360967 tabl,nonn,easy %O A360967 1,1 %A A360967 _R. J. Mathar_, Feb 27 2023