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 A328256 #45 Apr 10 2021 16:33:55
%S A328256 1280565,1340235,71526069316,75257076284,1453520375775,1561230417825,
%T A328256 1568650892445,1995690781539,2714480497936,2854320218864,
%U A328256 5776910172896,5864460215584,5818350517628,6516910297732,6111770382135,6139270339785,9176850735616,9194440569344,114552504952875,123277906567125
%N A328256 Amicable pairs of cyclops numbers.
%C A328256 Amicable pairs (A259180) where both members are cyclops numbers (A134808).
%C A328256 Is this sequence finite? What is the largest known pair?
%C A328256 Up to 2^64 there are 439 pairs, the largest of them is {9591988390446931328, 9596251990981497472} (Eldar).
%H A328256 Amiram Eldar, <a href="/A328256/b328256.txt">Table of n, a(n) for n = 1..878</a>
%H A328256 OEIS Wiki, <a href="/wiki/Cyclops_numbers">Cyclops Numbers</a>
%e A328256 {1280565, 1340235} is the first amicable pair where both members are cyclops numbers, so a(1) = 1280565 and a(2) = 1340235.
%Y A328256 Subsequence of A259180.
%Y A328256 Cf. A002025, A002046, A134808, A262622, A262623.
%K A328256 nonn,base
%O A328256 1,1
%A A328256 _Omar E. Pol_, Oct 09 2019
%E A328256 More terms from _Amiram Eldar_, Oct 09 2019