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 A057352 #12 Apr 03 2022 01:30:22
%S A057352 1,2,4,5,7,9,11,14,15,19,22,23,27,30,33,36,40,43,48,54,56,60,66,69,76,
%T A057352 82,86,90,94,98,106,112,117,123,131,136,142,149,152,161,166,171,180,
%U A057352 188,195,204,211,218,228,236
%N A057352 Number of Gaussian primes (in the first half-quadrant; i.e., 0 to 45 degrees) with real part <= n.
%D A057352 Mark A. Herkommer, "Number Theory, A Programmer's Guide," McGraw-Hill, New York, 1999, page 269.
%H A057352 T. D. Noe, <a href="/A057352/b057352.txt">Table of n, a(n) for n=1..10000</a>
%H A057352 <a href="/index/Ga#gaussians">Index entries for Gaussian integers and primes</a>
%t A057352 c = 0; Do[ Do[ If[ PrimeQ[ j + k*I, GaussianIntegers -> True ], c++ ], {j, n, n}, {k, 0, j} ]; Print[ c ], {n, 1, 50} ]
%Y A057352 Cf. A055683.
%K A057352 nonn
%O A057352 1,2
%A A057352 _Robert G. Wilson v_, Sep 22 2000