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 A018261 #25 Jul 08 2025 06:33:50 %S A018261 1,2,3,4,6,8,12,16,24,48 %N A018261 Divisors of 48. %C A018261 48 is a highly composite number: A002182(8)=48. - _Reinhard Zumkeller_, Jun 21 2010 %C A018261 These are the orders, without repetition, of the finite subgroups of GL_3(Z); see Conway and Sloane. - _Hal M. Switkay_, Nov 06 2023 %H A018261 J. H. Conway and N. J. A. Sloane, <a href="http://neilsloane.com/doc/Me146.pdf">Low-dimensional lattices. II. Subgroups of GL(n,Z)</a>, Proc. R. Soc. Lond. A 419 (1988), 29-68. %H A018261 <a href="/index/Di#divisors">Index entries for sequences related to divisors of numbers</a> %t A018261 Divisors[48] (* _Vladimir Joseph Stephan Orlovsky_, Feb 16 2012 *) %o A018261 (PARI) divisors(48) \\ _Charles R Greathouse IV_, Jul 10 2016 %Y A018261 Cf. A018253, A018256, A018266, A018293, A018321, A018350, A018412, A018609, A018676, A178877, A178878, A165412, A178858, A178859, A178860, A178861, A178862, A178863, A178864. %K A018261 nonn,fini,full,easy %O A018261 1,2 %A A018261 _N. J. A. Sloane_