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

Author

Henry Bottomley, Apr 26 2000

Keywords

• base
• nonn

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