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 A219452 #7 Jun 26 2025 13:03:45 %S A219452 2,4,843,74848,671345,8870024 %N A219452 First position of a plateau of length n in the product-of-exponents function A005361. %C A219452 The smallest index k such that A005361(k+1) = A005361(k+2) = ... = A005361(k+n). %C A219452 a(8) is conjectured to be 1770019255373287038727484868192109228823. %H A219452 J.-M. de Koninck, F. Luca, <a href="http://dx.doi.org/10.1112/S0025579300000954">The product of exponents in the factorization of consecutive integers</a>, Mathematika 55 (2009) 59-65 %Y A219452 Cf. A005361. %K A219452 nonn %O A219452 2,1 %A A219452 _R. J. Mathar_, Nov 20 2012