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 A334859 #8 Jun 11 2020 23:43:22 %S A334859 0,1,2,3,8,4,128,6,5,16,32768,12,2147483648,256,32,7, %T A334859 9223372036854775808,10,170141183460469231731687303715884105728,48, %U A334859 512,65536,57896044618658097711785492504343953926634992332820282019728792003956564819968,24,17,4294967296,20,768 %N A334859 a(n) = A243071(A225546(n)). %H A334859 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %F A334859 a(n) = A243071(A225546(n)). %F A334859 a(n) = A054429(A334865(n)). %F A334859 For n >= 1, A000120(a(n)) = A299090(n). %F A334859 For n > 1, A070939(a(n)) = A334871(n). %Y A334859 Inverse permutation of A334860. Composition of permutations A225546 and A243071, and also of A054429 and A334865. %Y A334859 Cf. A299090, A334871. %K A334859 nonn %O A334859 1,3 %A A334859 _Antti Karttunen_, Jun 08 2020