%I #22 Dec 04 2017 09:00:10
%S 100,4928,313752,23046512,1820205436,150431552012,12819767598972,
%T 1116953361826164,98959817242332844,8883278410114778600
%N Number of Gaussian primes a+b*i such that sqrt(a^2 + b^2) <= 10^n.
%H Marc Deléglise, Pierre Dusart, and Xavier-Francois Roblot, <a href="http://dx.doi.org/10.1090/S0025-5718-04-01649-7">Counting primes in residue classes</a>, Math. Comp. 73 (2004), no. 247, 1565-1575
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/GaussianPrime.html">Gaussian Prime</a>
%F a(n) = 8*A091098(2*n) + 4*A091099(n) + 4. - _Seiichi Manyama_, Dec 03 2017
%Y Bisection of A091100.
%K nonn,more
%O 1,1
%A _Eric W. Weisstein_, Dec 19 2003
%E a(5)-a(10) from _Seiichi Manyama_ using the data in A091098 and A091099, Dec 03 2017