

A054737


Numbers n such that n^2 can be split into two nonzero squares (perhaps with leading zeros) in exactly two different ways.


1



253, 1265, 2225, 2530, 6325, 12650, 18025, 18975, 22250, 24982, 25300, 31625, 63250, 94875, 126500, 158125, 180250, 189750, 221375, 222500, 249820, 253000, 316250, 632500, 702247, 948750, 1265000, 1581250, 1802500, 1897500, 2213750, 2225000, 2498200, 2530000
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OFFSET

1,1


LINKS



EXAMPLE

2225^2=4950625 can be split into 49=7^2 and 50625=225^2 or into 4=2^2 and 950625=975^2; 2530^2=6400900 can be split into 6400=80^2 and 900=30^2 or into 64=8^2 and 00900=30^2


CROSSREFS



KEYWORD

base,nonn


AUTHOR



EXTENSIONS



STATUS

approved



