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A143732
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Concerning hypotenuses of triangles such that the sum of the two legs is a perfect square.
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1
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1, 1, 3, 1, 3, 5, 1, 1, 5, 7, 3, 1, 5, 7, 3, 9, 1, 5, 7, 1, 9, 11, 3, 7, 1, 11, 5, 13, 3, 7, 1, 9, 5, 11, 13, 1, 15, 7, 9, 5, 3, 11, 1, 13, 15, 17, 5, 3, 1, 11, 7, 13, 9, 17, 19, 1, 11, 7, 13, 5, 15, 9, 3
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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COMMENTS
| The sequence of a's considered in A145906.
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LINKS
| M. de Frenicle, Methode pour trouver la solutions des problems par les exclusions, in: Divers ouvrage des mathematique et de physique par messieurs de l'academie royale des science, (1693) pp 1-44, Table on page 31.
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EXAMPLE
| (a,b,c,d,e,f,g,h) = (1,2,1,3,1,5,4,9) with N=7 or (1,3,2,5,7,13,6,19) with N=17 or (3,4,1,5,7,17,10,27) with N=23 or (1,4,3,7,17,25,8,33) with N=31.
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CROSSREFS
| Sequence in context: A076157 A087493 A118125 * A130465 A194437 A158405
Adjacent sequences: A143729 A143730 A143731 * A143733 A143734 A143735
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KEYWORD
| nonn,uned
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AUTHOR
| Paul Curtz (bpcrtz(AT)free.fr), Aug 30 2008
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