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 A308328 #7 May 20 2019 14:15:52 %S A308328 1,2,4,3,8,16,32,6,9,64,128,12,256,512,1024,5,2048,18,4096,24,8192, %T A308328 16384,32768,48,27,65536,36,96,131072,262144,524288,10,1048576, %U A308328 2097152,4194304,81,8388608,16777216,33554432,192,67108864,134217728,268435456,384,72 %N A308328 Inverse permutation to A308317. %H A308328 Rémy Sigrist, <a href="/A308328/a308328.gp.txt">PARI program for A308328</a> %H A308328 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %F A308328 a(A005117(e+1)) = 2^e for any e >= 0. %F A308328 a(A001146(k-1)) = prime(k) for any k > 0. %e A308328 A308317(96) = 28, hence a(28) = 96. %o A308328 (PARI) See Links section. %Y A308328 Cf. A001146, A005117, A308317. %K A308328 nonn %O A308328 1,2 %A A308328 _Rémy Sigrist_, May 20 2019