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 A036964 #10 Oct 10 2019 04:00:22
%S A036964 2,3,5,7,10,12,16,21,28,34,37,39,43,48,55,61,64,66,75,82,84,88,93,106,
%T A036964 109,115,127,133,138,142,147,154,172,183,187,192,199,208,214,219,226,
%U A036964 232,235,237,250,253,255,259,271,277,286,291,304,309,318,325,343,352
%N A036964 Primes with digits (0,...,8) taken as base 9 and converted to base 10.
%e A036964 a(n)=343 -> is 421{9} -> 421{10} is prime.
%Y A036964 Cf. A038617, A036952-A036963.
%K A036964 nonn,base
%O A036964 1,1
%A A036964 _Patrick De Geest_, Jan 04 1999
%E A036964 Offset 1 from _Michel Marcus_, Oct 10 2019