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 A274348 #5 Jun 19 2016 03:40:55
%S A274348 84,132,216,231,308,348,378,504,564,594,609,792,812,912,957,987,1276,
%T A274348 1316,1386,1476,1551,1566,1596,2068,2088,2128,2233,2388,2508,2538,
%U A274348 2583,3344,3384,3444,3619,3654,3864,4059,4089,4104,4179,5412,5452,5472,5572,5742
%N A274348 Products of three distinct Lucas numbers (3,4,7,11,18,...)
%e A274348 84 = 3*4*7, 132 = 3*4*11.
%t A274348 z = 100; f[n_] := LucasL[n];
%t A274348 Take[Sort[Flatten[Table[f[u] f[v] f[w], {u, 2, z}, {v, 2, u - 1}, {w, 2, v - 1}]]], z]
%Y A274348 Cf. A000032, A274349, A274348, A271354, A272949.
%K A274348 nonn,easy
%O A274348 1,1
%A A274348 _Clark Kimberling_, Jun 18 2016