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 A328462 #13 Oct 18 2019 21:28:55
%S A328462 1,3,7,9,31,33,37,39,211,213,217,219,241,243,247,249,2311,2313,2317,
%T A328462 2319,2341,2343,2347,2349,2521,2523,2527,2529,2551,2553,2557,2559,
%U A328462 30031,30033,30037,30039,30061,30063,30067,30069,30241,30243,30247,30249,30271,30273,30277,30279,32341,32343,32347,32349,32371,32373
%N A328462 Numbers obtained by reinterpreting base-2 representation of odd numbers in primorial base.
%H A328462 Antti Karttunen, <a href="/A328462/b328462.txt">Table of n, a(n) for n = 1..8192</a>
%H A328462 <a href="/index/Bi#binary">Index entries for sequences related to binary expansion of n</a>
%H A328462 <a href="/index/Pri#primorialbase">Index entries for sequences related to primorial base</a>
%o A328462 (PARI)
%o A328462 A276156(n) = { my(p=2,pr=1,s=0); while(n,if(n%2,s += pr); n >>= 1; pr *= p; p = nextprime(1+p)); (s); };
%o A328462 A328462(n) = A276156(n+n-1);
%Y A328462 Cf. A002110, A007814.
%Y A328462 Row 1 of A328464, odd bisection of A276156 and of A328461.
%Y A328462 Cf. A143293 (subsequence).
%K A328462 nonn,base
%O A328462 1,2
%A A328462 _Antti Karttunen_, Oct 16 2019