A054738 Squares which can be split into two nonzero squares (perhaps with leading zeros) in exactly two different ways.
64009, 1600225, 4950625, 6400900, 40005625, 160022500, 324900625, 360050625, 495062500, 624100324, 640090000, 1000140625, 4000562500, 9001265625, 16002250000, 25003515625, 32490062500, 36005062500, 49006890625, 49506250000, 62410032400, 64009000000
Offset: 0
Examples
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
Crossrefs
Cf. A039686.
Formula
a(n) = A054737(n)^2. - Sean A. Irvine, Feb 20 2022
Extensions
More terms from Sean A. Irvine, Feb 20 2022