A132994 - OEIS

%I #6 Feb 21 2020 20:54:12

%S 1,6,10,23,35,55,63,92,105,161,173,225,249,289,337,398,426,491,511,

%T 655,687,747,771,887,968,1080,1120,1224,1268,1492,1524,1649,1697,1833,

%U 1929,2098,2150,2250,2346,2666,2726,2886,2930,3086,3242,3362,3410,3654,3711

%N Partial sums of A078930.

%C a(10^5)=17924657155 ; a(10^8)=? (Problem 153 on projecteuler.net).

%H Project Euler, <a href="https://projecteuler.net/problem=153">Problem 153: Investigating Gaussian Integers</a>.

%e a(5) = 35 = A078930(1)+A078930(2)+A078930(3)+A078930(4)+A078930(5).

%o (PARI) vector(50,i,sum(j=1,i,A078930(j))) /* see A078930 */

%Y Cf. A078930, A078910, A078911.

%K nonn

%O 1,2

%A _M. F. Hasler_, Nov 22 2007