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 A164012 #10 Nov 07 2017 13:01:57 %S A164012 0,31,62,87,124,115,186,147,232,207,250,242,372,312,364,405,464,476, %T A164012 558,570,640,693,726,782,888,925,962,1026,1092,1160,1230,1302,1376, %U A164012 1452,1530,1610,1692,1776,1862,1950,2040,2132,2226,2322,2420,2520,2622,2726 %N A164012 Zero together with row 12 of the array in A163280. %H A164012 <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (3, -3, 1). %F A164012 Conjecture: a(n) = A119412(n), n > 36. [_R. J. Mathar_, Jul 31 2010] %Y A164012 Cf. A008578, A161344, A161345, A163280, A164000, A164011. %K A164012 nonn %O A164012 0,2 %A A164012 _Omar E. Pol_, Aug 08 2009 %E A164012 Terms beyond a(12) from _R. J. Mathar_, Jul 31 2010