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 A062800 #19 Feb 22 2025 15:02:56
%S A062800 101,401,601,701,1201,1301,1601,1801,1901,2801,3001,3301,3701,4001,
%T A062800 4201,4801,5101,5501,5701,5801,6101,6301,6701,7001,7901,8101,8501,
%U A062800 9001,9601,9901,10301,10501,10601,11701,11801,12101,12301,12401,12601,13001,13901,14401,15101
%N A062800 Primes of form 100*k + 1.
%D A062800 W. Dunham, Euler: The Master of Us All, The Mathematical Association of America, Washington, D.C., 1999, p. 78.
%H A062800 Harry J. Smith, <a href="/A062800/b062800.txt">Table of n, a(n) for n = 1..1000</a>
%F A062800 a(n) = A158128(A166457(n)). - _Elmo R. Oliveira_, Feb 22 2025
%t A062800 Select[100*Range[200]+1,PrimeQ] (* _Harvey P. Dale_, May 06 2018 *)
%o A062800 (PARI) j=[]; for(n=1,400, if(isprime(100*n+1),j=concat(j,100*n+1))); j
%o A062800 (PARI) { n=0; for (m=1, 10^9, if (isprime(a=100*m + 1), write("b062800.txt", n++, " ", a); if (n==1000, break)) ) } \\ _Harry J. Smith_, Aug 11 2009
%Y A062800 Subsequence of primes of A158128.
%Y A062800 Cf. A166457.
%K A062800 easy,nonn
%O A062800 1,1
%A A062800 _Jason Earls_, Jul 19 2001