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 A343767 #17 May 31 2022 12:55:26 %S A343767 0,1,2,3,5,4,25,7,20,21,13,6 %N A343767 a(n) is the index of A023394(n) in flattened array A050922. %C A343767 a(14) = 26, a(15) = 16, a(16) = 27, a(20) = 17, a(22) = 28. %C A343767 Permutation of the natural numbers. %H A343767 Lorenzo Sauras-Altuzarra, <a href="https://doi.org/10.26493/2590-9770.1473.ec5">Some properties of the factors of Fermat numbers</a>, Art Discrete Appl. Math. (2022). %H A343767 <a href="/index/Pri">Index entries for sequences that are related to primes dividing Fermat numbers</a> %H A343767 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %F A343767 A023394(n) = A050922(a(n)). %e A343767 A023394(1) = 3 = A050922(0), so a(1) = 0. %e A343767 A023394(2) = 5 = A050922(1), so a(2) = 1. %Y A343767 Cf. A023394, A050922. %K A343767 nonn,more %O A343767 1,3 %A A343767 _Lorenzo Sauras Altuzarra_, Apr 28 2021