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 A339900 #16 Apr 25 2022 14:01:46
%S A339900 3,5,7,41,11,13,19,17,23,29,31,73,43,37,47,97,59,53,67,89,71,61,79,
%T A339900 113,83,101,103,137,107,109,127,193,131,149,139,233,151,157,163,241,
%U A339900 167,173,179,281,191,181,199,353,211,197,223,313,227,229,239,337,251,269,263,409,271,277,283,641,307,293,311,457,331
%N A339900 Lexicographically earliest permutation of odd primes such that A007814(a(n)-1) = 1+A007814(n), where A007814 gives the 2-adic valuation of n.
%H A339900 Antti Karttunen, <a href="/A339900/b339900.txt">Table of n, a(n) for n = 1..20000</a>
%o A339900 (PARI) A339900(n) = { my(lev=1+valuation(n,2), k=(1+(n>>(lev-1)))/2); forprime(p=3,,if(valuation(p-1,2)==lev, k--; if(!k, return(p)))); };
%Y A339900 Cf. A001511, A007814, A065091.
%Y A339900 Cf. A002145 (odd bisection), A007521 (quadrisection starting from 5), A105126, A105127, A105128, A105129, A105130, A105131, A105132.
%Y A339900 Cf. also A108546, A111745.
%K A339900 nonn,look
%O A339900 1,1
%A A339900 _Antti Karttunen_, Dec 25 2020