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 A333483 #8 May 28 2020 05:00:12 %S A333483 1,2,3,4,5,6,8,7,9,10,12,16,11,14,15,18,20,24,32,13,21,22,25,27,28,30, %T A333483 36,40,48,64,17,26,33,35,42,44,45,50,54,56,60,72,80,96,128,19,34,39, %U A333483 49,55,52,63,66,70,75,81,84,88,90,100,108,112,120,144,160,192,256,23,38,51,65,77,68,78,98,99,105,110,125,104,126,132,135,140,150,162,168,176,180,200,216,224,240,288,320,384,512 %N A333483 Sort all positive integers, first by sum of prime indices (A056239), then by number of prime indices (A001222). %C A333483 A refinement of A215366, from which it first differs at a(49) = 55, A215366(49) = 52. %C A333483 A prime index of n is a number m such that prime(m) divides n. The multiset of prime indices of n is row n of A112798. %H A333483 OEIS Wiki, <a href="http://oeis.org/wiki/Orderings of partitions">Orderings of partitions</a> %H A333483 Wikiversity, <a href="https://en.wikiversity.org/wiki/Lexicographic_and_colexicographic_order">Lexicographic and colexicographic order</a> %e A333483 Triangle begins: %e A333483 1 %e A333483 2 %e A333483 3 4 %e A333483 5 6 8 %e A333483 7 9 10 12 16 %e A333483 11 14 15 18 20 24 32 %e A333483 13 21 22 25 27 28 30 36 40 48 64 %e A333483 17 26 33 35 42 44 45 50 54 56 60 72 80 96 128 %t A333483 Join@@@Table[Sort[Times@@Prime/@#&/@IntegerPartitions[n,{k}]],{n,0,8},{k,0,n}] %Y A333483 Row lengths are A000041. %Y A333483 Ignoring length gives A215366 (graded Heinz numbers). %Y A333483 Sorting by decreasing length gives A333484. %Y A333483 Finally sorting lexicographically by prime indices gives A185974. %Y A333483 Finally sorting colexicographically by prime indices gives A334433. %Y A333483 Finally sorting reverse-lexicographically by prime indices gives A334435. %Y A333483 Finally sorting reverse-colexicographically by prime indices gives A334438. %Y A333483 Number of prime indices is A001222. %Y A333483 Reversed partitions in Abramowitz-Stegun (sum/length/lex) order are A036036. %Y A333483 Partitions in (sum/length/colex) order are A036037. %Y A333483 Sum of prime indices is A056239. %Y A333483 Sorting reversed partitions by Heinz number gives A112798. %Y A333483 Sorting partitions by Heinz number gives A296150. %Y A333483 Cf. A026791, A124734, A129129, A193073, A211992, A228100, A333219, A334301, A334434, A334439, A334441, A334442. %K A333483 nonn,tabf %O A333483 0,2 %A A333483 _Gus Wiseman_, May 10 2020