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 A241034 #18 Feb 16 2025 08:33:21 %S A241034 125,4374,1097873,179210312,10546514090622 %N A241034 Start number of first run of exactly n consecutive economical numbers. %H A241034 J.-M. De Koninck and F. Luca, <a href="https://www.emis.de/journals/INTEGERS/papers/a5int2003/a5int2003.Abstract.html">On strings of consecutive economical numbers of arbitrary length</a>, Integers: Electronic Journal of Combinatorial Number Theory 5, (2005), #A5. %H A241034 Richard G.E. Pinch, <a href="http://arxiv.org/abs/math/9802046">Economical numbers</a>, arXiv:math/9802046 [math.NT], 1998 %H A241034 Carlos Rivera, <a href="http://www.primepuzzles.net/puzzles/puzz_053.htm">Puzzle 53</a> %H A241034 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/EconomicalNumber.html">Economical Number</a> %Y A241034 Cf. A046759, A079323. %K A241034 nonn,base,hard,more %O A241034 1,1 %A A241034 _Arkadiusz Wesolowski_, Apr 15 2014 %E A241034 a(5) found by _Jens Kruse Andersen_