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 A346801 #30 Feb 16 2025 08:34:02 %S A346801 1,1,2,2,2,3,13,18,160,162,1421,1745,6097,6348,15474,65948,103608, %T A346801 366088,573005,1048188,1138953,3410520,6376825,279823002,306445433, %U A346801 1082288597,1489247033,2533043524,5591690612,8082600305,22159965172,62442143259,70275959860 %N A346801 Engel expansion of A249270 = lim_{n->oo} (1/n)*Sum_{k=1..n} smallest prime not dividing k. %C A346801 Cf. A006784 for definition of Engel expansion. %H A346801 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/EngelExpansion.html">Engel Expansion</a> %H A346801 Wikipedia, <a href="https://en.wikipedia.org/wiki/Engel_expansion">Engel Expansion</a> %H A346801 <a href="/index/El#Engel">Index entries for sequences related to Engel expansions</a> %Y A346801 Cf. A006784, A249270. %K A346801 nonn %O A346801 1,3 %A A346801 _Corey Clemons_, Aug 04 2021 %E A346801 More terms from _Alois P. Heinz_, Aug 04 2021