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 A146762 #12 Jan 28 2023 10:38:02 %S A146762 0,40,160,280,520,80,40,1360,1840,2200,2800,40,440,4480,5320,5920, %T A146762 6880,280,320,9400,10600,11440,12760,1520,560,16120,17680,18760,20440, %U A146762 800,2600,24640,26560,27880,29920,1160,1240,34960,37240,38800,41200,4760,560 %N A146762 Terms of A061039 that are multiple of 10, in the order in which they appear. %C A146762 Previous name was: Numbers in A061039 ending with 0. %o A146762 (PARI) lista(nn) = my(list=List(), x); for (n=3, nn, if ((((x=numerator(1/9-1/n^2))) % 10) == 0, listput(list, x));); Vec(list); \\ _Michel Marcus_, Jan 28 2023 %Y A146762 Cf. A008592, A061039. %K A146762 nonn %O A146762 1,2 %A A146762 _Paul Curtz_, Nov 02 2008 %E A146762 More terms from _Arkadiusz Wesolowski_, Dec 31 2011 %E A146762 New name from _Michel Marcus_, Jan 27 2023