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 A384507 #25 Jul 04 2025 19:22:30 %S A384507 2310,254540,1042404,21871365,129963314,830692265,4617927894, %T A384507 18297409143,41268813542,287980277114,1182325618032,6455097761454, %U A384507 14207465691240,54049709480208,90987640183352,1164838922284960,546525829796442 %N A384507 Initial term of first run of exactly n consecutive numbers with exactly 5 distinct prime factors. %C A384507 See A087978 for further details and an explanation of why this sequence is finite. %C A384507 First differs from A087978 at n=16. %C A384507 a(18) > 2 * 10^15. %e A384507 a(16) > a(17) because the first run of 16 consecutive integers i with A001221(i)=5 is not a maximal run. %Y A384507 Cf. A001221, A046387, A080569, A087977, A087978, A185032, A185042. %K A384507 nonn,fini %O A384507 1,1 %A A384507 _Toshitaka Suzuki_, Jun 23 2025