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 A357020 #8 Sep 12 2022 16:09:43
%S A357020 2,5,22,32,68,85,230,260,352,1901,950,1912,1430,1502,3442,10733,4310,
%T A357020 5890,23933,15101,29548,101534,18698,89245,38858,46774,110440,173213,
%U A357020 118772,513598,705437,273485,226324,269813,726929,1448005,1053830,413974,1329178,1626548,648542
%N A357020 a(n) is the start of the first run of exactly n consecutive numbers not of the form x^2 + x*y + y^2.
%H A357020 Hugo Pfoertner, <a href="/A357020/b357020.txt">Table of n, a(n) for n = 1..141</a>
%e A357020 n a(n) Terms of A034020
%e A357020 1 2 {2}, 5, 6, ...
%e A357020 2 5 2, {5, 6}, 8, 10, ...
%e A357020 3 22 ..., 20, {22, 23, 24}, 26, 29, ...
%e A357020 4 32 ..., 30, {32, 33, 34, 35}, 38, ...
%e A357020 5 68 ..., 66, {68, 69, 70, 71, 72}, 74, ...
%e A357020 6 85 ..., 83, {85, 86, 87, 88, 89, 90}, 92, ...
%e A357020 7 230 ..., 227, {230, ..., 236}, 238, ...
%e A357020 8 260 ..., 258, {260, ..., 267}, 269, ...
%e A357020 9 352 ..., 350, {352, ..., 360}, 362, ...
%e A357020 10 1901 ..., 1898, {1901, ..., 1910}, 1912, ...
%e A357020 11 950 ..., 947, {950, ..., 960}, 962, ...
%Y A357020 Cf. A002324, A003136, A034020, A104271.
%K A357020 nonn
%O A357020 1,1
%A A357020 _Hugo Pfoertner_, Sep 10 2022