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Search: id:A054737
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A054737 Numbers n such that n^2 can be split into two nonzero squares (perhaps with leading zeros) in two different ways. +0
1
253, 1265, 2225, 2530, 6325, 12650, 18025, 18975, 22250, 24982, 25300 (list; graph; listen)
OFFSET

1,1

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

Cf. A048375, A054738.

Adjacent sequences: A054734 A054735 A054736 this_sequence A054738 A054739 A054740

Sequence in context: A088851 A002289 A070193 this_sequence A123013 A006060 A077695

KEYWORD

base,nonn

AUTHOR

Henry Bottomley (se16(AT)btinternet.com), Apr 26 2000

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.


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