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 A327313 #15 Sep 30 2019 10:44:45 %S A327313 1,6,7,12,13,18,19,24,25,30,31,35,36,41,42,47,48,53,54,59,60,65,66,70, %T A327313 71,76,77,82,83,88,89,94,95,100,101,105,106,111,112,117,118,123,124, %U A327313 129,130,135,140,141,146,147,152,153,158,159,164,165,170,175 %N A327313 Positions of 2's in {A327310(n) : n > 0}. %C A327313 The positive integers are partitioned by A327311, A327312, and A327313. %C A327313 Although a(n)/n->3, the sequence a(n)-3n appears to be unbounded. %C A327313 Positive integers k such that A327310(k) = 2. - _Jianing Song_, Sep 30 2019 %H A327313 Clark Kimberling and Jianing Song, <a href="/A327313/b327313.txt">Table of n, a(n) for n = 1..10000</a> %t A327313 r = Sqrt[8]; z = 300; %t A327313 t = Table[Floor[3 n*r] - 3 Floor[n*r], {n, 1, z}] (* {A327310(n) : n > 0} *) %t A327313 Flatten[Position[t, 0]] (* A327311 *) %t A327313 Flatten[Position[t, 1]] (* A327312 *) %t A327313 Flatten[Position[t, 2]] (* A327313 *) %Y A327313 Cf. A327310, A327311, A327312. %K A327313 nonn,easy %O A327313 1,2 %A A327313 _Clark Kimberling_, Sep 07 2019 %E A327313 Corrected by _Jianing Song_, Sep 30 2019