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 A379179 #12 Dec 20 2024 02:37:12 %S A379179 8288641,16492609,4515625,5992609,9765625,13538641,15015625,3038641, %T A379179 11242609 %N A379179 The Anti-Parker Square, read by rows. %C A379179 This square has been discovered by Ayliean MacDonald (see links) while attempting to create a magic square of squares. %C A379179 It's an example of a 3 X 3 square where all rows, columns and diagonals sum to the same number (in this case 29296875), but only the entries in the diagonals are squares. %C A379179 The Parker Square (A364264) was an attempt (which failed in a different way) to solve the same problem. %H A379179 Brady Haran and Ayliean MacDonald, <a href="https://www.youtube.com/watch?v=uz9jOIdhzs0">The Anti-Parker Square</a>, YouTube Numberphile video, 2024. %H A379179 Brady Haran and Matt Parker, <a href="https://www.youtube.com/watch?v=aOT_bG-vWyg">The Parker Square</a>, YouTube Numberphile video, 2016. %e A379179 The Anti-Parker Square is: %e A379179 [ 8288641 16492609 4515625 ] %e A379179 [ 5992609 9765625 13538641 ] %e A379179 [ 15015625 3038641 11242609 ] %e A379179 Or equivalently: %e A379179 [ 2879^2 16492609 2125^2 ] %e A379179 [ 5992609 3125^2 13538641 ] %e A379179 [ 3875^2 3038641 3353^2 ] %Y A379179 Cf. A364264. %K A379179 nonn,tabf,fini,full %O A379179 1,1 %A A379179 _Paolo Xausa_, Dec 17 2024