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Search: id:A099426
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A099426 Numbers n where n^2 = a^3 + b^3; a,b>0 and GCD[a,b]=1. +0
4
3, 228, 671, 1261, 6371, 9765, 35113, 35928, 40380, 41643, 66599, 112245, 124501, 127499, 167160, 191771, 205485, 255720, 297037, 377567, 532392, 546013, 647569, 681285, 812340, 897623, 1043469, 1125683, 1261491, 1431793, 1433040, 1584828 (list; graph; listen)
OFFSET

1,1

COMMENT

Based on an observation of Ed Pegg Jr., who supplied terms 2-6 and 8.

EXAMPLE

228 is in the sequence because 228^2 = 11^3 + 37^3 and GCD[11, 37] = 1

CROSSREFS

Cf. A099532, A099533.

Adjacent sequences: A099423 A099424 A099425 this_sequence A099427 A099428 A099429

Sequence in context: A140441 A071881 A131493 this_sequence A100201 A037059 A065580

KEYWORD

nonn

AUTHOR

Hans Havermann (pxp(AT)rogers.com), Oct 15 2004

EXTENSIONS

More terms from Hans Havermann (pxp(AT)rogers.com) and Bodo Zinser (BodoZinser(AT)CosmoData.net), Oct 20 2004

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Last modified October 13 09:05 EDT 2008. Contains 145008 sequences.


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