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 A302435 #22 Apr 15 2018 13:33:17
%S A302435 5,18,110,712,5427,44096,373019,3228862,28494961
%N A302435 Number of primes of the form b^2+3 for b <= 10^n.
%e A302435 a(1) = 5 because there are 5 primes of the form b^2+3 for b <= 10: 3, 7, 19, 67 and 103.
%o A302435 (PARI) {a(n) = sum(k=0, 10^n, isprime(k^2+3))}
%Y A302435 Number of primes of the form b^2+m for b <= 10^n: A302443 (m=-3), A302442 (m=-2), A206709 (m=1), A302434 (m=2), this sequence (m=3).
%Y A302435 Cf. A049423.
%K A302435 nonn,more
%O A302435 1,1
%A A302435 _Seiichi Manyama_, Apr 07 2018