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 A343136 #13 Apr 09 2021 09:25:07 %S A343136 1,5,45,315,585,2205,2925,9945,17325,28665,45045,135135,225225,405405, %T A343136 675675,1576575,2027025,2297295,3828825,6891885,11486475,26801775, %U A343136 34459425,43648605,72747675,130945815,218243025,509233725,654729075,1003917915,1527701175,3011753745,4583103525 %N A343136 Positions of records in A188171. %e A343136 585 is in the sequence as A188171(585) = 4 via the divisors 5, 13, 45 and 117 and no positive integer < 585 has at least four such (5 (mod 8)) divisors. %t A343136 Function[{s, r}, Map[FirstPosition[s, #][[1]] &, r]] @@ {#, Union@ FoldList[Max, #]} &@ Array[DivisorSum[#, 1 &, Mod[#, 8] == 5 &] &, 10^6] (* _Michael De Vlieger_, Apr 08 2021 *) %Y A343136 Cf. A188171, A343106. %K A343136 nonn %O A343136 1,2 %A A343136 _David A. Corneth_, Apr 06 2021