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Search: id:A101929
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| A101929 |
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Number of Pythagorean triples with hypotenuse < 10^n. |
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+0
3
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| 1, 50, 878, 12467, 161431, 1980636, 23471468, 271360645, 3080075423
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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There seems to be a relation between A101930 and this sequence: A101930(n) = n + a(n). - Jan Feitsma and Bart Dopheide (dopheide(AT)fmf.nl), Mar 10 2005
A101390(n) - a(n) = A046080(10^n). The formula listed for A046080 supports the relation of Jan Feitsma and Bart Dopheide: A046080(10^n) = n. [From Frank Marcoline (fvmarcoline(AT)gmail.com), Dec 10 2008]
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LINKS
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Eric Weisstein's World of Mathematics, Pythagorean Triple
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CROSSREFS
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Cf. A101930.
Sequence in context: A104672 A086027 A110929 this_sequence A006360 A112890 A160152
Adjacent sequences: A101926 A101927 A101928 this_sequence A101930 A101931 A101932
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KEYWORD
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nonn,more
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AUTHOR
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Eric Weisstein (eric(AT)weisstein.com), Dec 21, 2004
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EXTENSIONS
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More terms from Jan Feitsma and Bart Dopheide (dopheide(AT)fmf.nl), Mar 10 2005
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