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Search: id:A057373
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A057373 Numbers n such that n=(a+b)=(x*y) with a*b=(x^2+y^2) (a>0,b>0,x>0,y>0). +0
1
9, 18, 45, 90, 117, 306, 522, 585, 801, 1305, 2097, 3042, 3978, 5490, 8730, 14373, 17730, 19485 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A005010 A000547 A138900 this_sequence A086500 A022669 A107313

Adjacent sequences: A057370 A057371 A057372 this_sequence A057374 A057375 A057376

KEYWORD

nonn

AUTHOR

Naohiro Nomoto (6284968128(AT)geocities.co.jp), Sep 24 2000

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Last modified September 5 19:27 EDT 2008. Contains 143485 sequences.


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