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 A132012 #9 Nov 05 2024 19:09:35
%S A132012 3,5,7,15,17,19,25,35,51,69,81,87,123,129,141,159,177,255,267,275,309,
%T A132012 321,339,393,447,489,501,519,537,705,795,807,849,879,1029,1245,1257,
%U A132012 1605,1671,1689,1707,1761,1779,1797,1851,1923,1929,1941,1959,1977,2505,2595,2685
%N A132012 Records in A051445.
%H A132012 Amiram Eldar, <a href="/A132012/b132012.txt">Table of n, a(n) for n = 1..4000</a>
%H A132012 Max Alekseyev, <a href="https://oeis.org/wiki/User:Max_Alekseyev/gpscripts">PARI/GP Scripts for Miscellaneous Math Problems</a> (invphi.gp).
%F A132012 a(n) = A051445(A132115(n)). - _Amiram Eldar_, Nov 05 2024
%o A132012 (PARI) f(n) = {my(v = invphi(2*n)); if(#v == 0, 0, vecmin(v));} \\ using _Max Alekseyev_'s invphi.gp
%o A132012 lista(kmax) = {my(fmax = -1, f1); for(k = 1, kmax, f1 = f(k); if(f1 > fmax, fmax = f1; print1(f1,", ")));} \\ _Amiram Eldar_, Nov 05 2024
%Y A132012 Cf. A000010, A051445, A132115.
%K A132012 nonn
%O A132012 1,1
%A A132012 _N. J. A. Sloane_, Nov 05 2007