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 A344882 #4 Jun 04 2021 04:44:12 %S A344882 6,10,18,21,24,26,28,34,36,39,40,50,55,57,58,60,66,68,74,75,78,82,88, %T A344882 92,93,96,98,100,105,106,111,120,122,124,126,129,132,136,138,144,146, %U A344882 147,150,153,155,156,160,162,164,168,171,176,178,183,188,189,190,194,196,198,201,202,203,205,208,210,216,218,219,222 %N A344882 Numbers k that have such a proper divisor d for which A011772(d) = A011772(k). %Y A344882 Cf. A011772, A344590, A344759. %K A344882 nonn %O A344882 1,1 %A A344882 _Antti Karttunen_, Jun 01 2021