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 A035409 #12 Sep 03 2025 21:37:38 %S A035409 3,24,27,31,39,144,149,180,185,196,205,210,254,257,266,689,694,730, %T A035409 742,747,752,768,771,887,894,907,916,925,930,984,1000,1003,1012,1037, %U A035409 1044,1180,1185,1196,2719,2724,2760,2772,2777,2784,2800,2803,2984,2993,2996 %N A035409 Limit of the position of the n-th partition into parts 5k+2 or 5k+3 in the list of all integer partitions sorted in reverse lexicographic order, for integers == 4 (mod 5). %D A035409 G. E. Andrews, The Theory of Partitions, Addison-Wesley, 1976, p. 109. %H A035409 Sean A. Irvine, <a href="/A035409/b035409.txt">Table of n, a(n) for n = 1..1000</a> %Y A035409 Cf. A003106, A035406, A035407, A035408, A035410. %K A035409 nonn,changed %O A035409 1,1 %A A035409 _Olivier Gérard_ %E A035409 Revised by _Geoffrey Caveney_ and _Sean A. Irvine_, Sep 03 2025