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 A322680 #6 Jan 19 2019 23:24:51 %S A322680 1167320,1197912,1275318,1345542,3502548,3536232,3684252,3695412, %T A322680 4846520,4980792,5302638,5594622,5196000,5299680,5857830,6000150, %U A322680 5276448,5568672,5605308,5764220,6115656,6510834,6866106,6869346,6119520,6159780,6586650,6928350,6595560,6917064,6960840,7818690 %N A322680 Four-column table read by rows: Quadruples that have the same value of phi, sigma, and tau. %C A322680 The terms are consecutive quadruples, ordered so that (A) a(4i-3) < a(4i-2) < a(4i-1) < a(4i) for i > 0, and (B) a(4i+1) < a(4i+5) for i >= 0. Primitive solutions are in A322690. %e A322680 1167320, 1197912, 1275318, and 1345542 have the same value of phi (362880), sigma (3283200), and tau (64), so these four numbers are in the sequence. %Y A322680 Cf. A134922, A322689, A322678, A322679, A322681, A322682, A322683, A322684, A322685, A322686, A322687. %K A322680 nonn,tabf %O A322680 1,1 %A A322680 _Jud McCranie_, Jan 16 2019