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 A054738 #8 Feb 20 2022 21:45:02 %S A054738 64009,1600225,4950625,6400900,40005625,160022500,324900625,360050625, %T A054738 495062500,624100324,640090000,1000140625,4000562500,9001265625, %U A054738 16002250000,25003515625,32490062500,36005062500,49006890625,49506250000,62410032400,64009000000 %N A054738 Squares which can be split into two nonzero squares (perhaps with leading zeros) in exactly two different ways. %F A054738 a(n) = A054737(n)^2. - _Sean A. Irvine_, Feb 20 2022 %e A054738 4950625=2225^2 can be split into 49=7^2 and 50625=225^2 or into 4=2^2 and 950625=975^2; 6400900=2530^2 can be split into 6400=80^2 and 900=30^2 or into 64=8^2 and 00900=30^2 %Y A054738 Cf. A039686. %K A054738 base,nonn %O A054738 0,1 %A A054738 _Henry Bottomley_, Apr 26 2000 %E A054738 More terms from _Sean A. Irvine_, Feb 20 2022