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 A100885 #11 Feb 10 2020 09:02:03 %S A100885 0,3,2,5,10,18,12,24,88,20,84,120,32,60,209,440,418,120,950,768,310, %T A100885 200,1280,1152,2256,3800,600,404,3840,1712,1240,4680,5016,6240,11400, %U A100885 12880,1212,3720,20012,1232,61440 %N A100885 Imaginary part of the Gaussian multiperfect number associated with the real part A100884. %e A100885 a(1) = Im(z= 1) with sigma(z) = 1 and m = 1. %e A100885 a(2) = Im(z= 1+3i) with sigma(z) = 5+5i and m = 2-i. %e A100885 a(3) = Im(z= 6+2i) with sigma(z) = -10-10i and m = -1+2i. %e A100885 a(4) = Im(z= 5+5i) with sigma(z) = 20i and m = 2+2i. %e A100885 a(5) = Im(z= 10+10i) with sigma(z) = -40+20i and m = -1+3i. %e A100885 a(6) = Im(z= 12+18i) with sigma(z) = -12+60i and m = 2+2i. %e A100885 a(9) = Im(z= 28+88i) with sigma(z) = -204-32i and m = -1+2i. %Y A100885 Cf. A100884, A100889, A100890. %K A100885 nonn,more %O A100885 1,2 %A A100885 _Yasutoshi Kohmoto_ %E A100885 Edited, all values replaced by _R. J. Mathar_, Mar 12 2010 %E A100885 a(10)-a(41) from _Amiram Eldar_, Feb 10 2020