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 A067903 #16 Jul 15 2022 16:23:56 %S A067903 2,3,5,7,11,13,17,19,23,29,67,83,103,127,157,239,1163,13127,78713, %T A067903 97177,225749,1218277,1353641,3144587,4792847,753274331,27083690849, %U A067903 38902247855599,14203460502855187,630469131840565313,7903939395078324527,815029233346016629931 %N A067903 Primes of the form floor((10/9)^k). %H A067903 Charles R Greathouse IV, <a href="/A067903/b067903.txt">Table of n, a(n) for n = 1..73</a> %F A067903 127 is in the sequence because floor((10/9)^46) = 127. %o A067903 (PARI) v=[]; for(k=2, 3000, if(ispseudoprime(t=floor((10/9)^k)), v=concat(v, t))); v \\ _Charles R Greathouse IV_, Feb 17 2011; adapted to PARI in A067904 by _Georg Fischer_, Jul 15 2022 %Y A067903 Cf. A067904, A067905, A067906, A067907, A067908, A067909, A067910. %K A067903 nonn %O A067903 1,1 %A A067903 _Benoit Cloitre_, Mar 03 2002