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 A110596 #11 Dec 04 2019 11:40:33 %S A110596 35,124355,1739507,3281663,3852155,7649915,9815195,10434515,13321295, %T A110596 19154135,19296035,32807555,36664595,41523911,50329955,60668135, %U A110596 69664595,83338199,107008811,123543695,145960451,275361359,321198059,365269355,393656879,407002211 %N A110596 Balanced numbers n such that n mod 12 = 11. %C A110596 For the first 26 terms, the quotient (sigma(n)/phi(n)) is 2 or 3. %H A110596 Amiram Eldar, <a href="/A110596/b110596.txt">Table of n, a(n) for n = 1..6654</a> (terms below 6.5*10^14, calculated using data from Jud McCranie) %p A110596 with(numtheory); BNM11:=[]: for z from 1 to 1 do for n from 1 to 500000 do m:=12*n+11; if sigma(m) mod phi(m) = 0 then BNM11:=[op(BNM11),m] fi; od; od; BNM11; %t A110596 Select[Range[10^7], Mod[#, 12] == 11 && Divisible[DivisorSigma[1, #], EulerPhi[#]] &] (* _Amiram Eldar_, Dec 04 2019 *) %Y A110596 Intersection of A017653 and A020492. %Y A110596 Cf. A000010, A000203. %K A110596 nonn %O A110596 1,1 %A A110596 _Walter Kehowski_, Sep 13 2005 %E A110596 a(6)-a(26) from _Donovan Johnson_, Aug 30 2012