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 A349092 #16 Dec 25 2021 15:06:22 %S A349092 136,252,253,405,406,465,560,561,666,703,741,810,814,818,820,895,900, %T A349092 901,902,1032,1034,1070,1073,1074,1078,1079,1080,1081,1174,1225,1273, %U A349092 1326,1370,1373,1376,1377,1378,1485,1587,1596,1649,1650,1652,1653,1681,1682,1700,1702,1706,1707,1708,1709,1710,1711,1808 %N A349092 Where zeros occur in A349084. These correspond to rationals, 0 < p/q < 1, that have no solution p/q = 1/w + 1/x + 1/y + 1/z, 0 < w < x < y < z. %C A349092 For index k, p/q = A002260(k)/A003057(k). %H A349092 Jud McCranie, <a href="/A349092/b349092.txt">Table of n, a(n) for n = 1..687</a> %e A349092 136 is a term because A349084(136)=0, indicating that 16/17 = 1/w + 1/x + 1/y + 1/z has no solution. %Y A349092 Cf. A349082, A002260, A003057, A349090, A349091. %K A349092 nonn %O A349092 1,1 %A A349092 _Jud McCranie_, Dec 12 2021