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 A365272 #15 Sep 25 2023 09:06:23 %S A365272 1,3,5,9,12,20,30,36,48,66,72,84,90,120,144,132,150,192,180,246,264, %T A365272 210,252,270,294,300,330,486,360,516,522,468,390,462,420,480,540,510, %U A365272 570,600,714,756,936,750,690,660,630,810,780,924,870,1296,930,1122,1404,840 %N A365272 a(n) is the least positive integer that can be expressed as the sum of two distinct prime powers (A000961) in exactly n ways. %e A365272 For n = 3: 9 = 1 + 8 = 2 + 7 = 4 + 5. %Y A365272 Cf. A000961, A087747, A225099, A341132. %K A365272 nonn %O A365272 0,2 %A A365272 _Ilya Gutkovskiy_, Sep 07 2023