cp's OEIS Frontend

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.

A132994 Partial sums of A078930.

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%I A132994 #6 Feb 21 2020 20:54:12
%S A132994 1,6,10,23,35,55,63,92,105,161,173,225,249,289,337,398,426,491,511,
%T A132994 655,687,747,771,887,968,1080,1120,1224,1268,1492,1524,1649,1697,1833,
%U A132994 1929,2098,2150,2250,2346,2666,2726,2886,2930,3086,3242,3362,3410,3654,3711
%N A132994 Partial sums of A078930.
%C A132994 a(10^5)=17924657155 ; a(10^8)=? (Problem 153 on projecteuler.net).
%H A132994 Project Euler, <a href="https://projecteuler.net/problem=153">Problem 153: Investigating Gaussian Integers</a>.
%e A132994 a(5) = 35 = A078930(1)+A078930(2)+A078930(3)+A078930(4)+A078930(5).
%o A132994 (PARI) vector(50,i,sum(j=1,i,A078930(j))) /* see A078930 */
%Y A132994 Cf. A078930, A078910, A078911.
%K A132994 nonn
%O A132994 1,2
%A A132994 _M. F. Hasler_, Nov 22 2007