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A132981 Equal sides of isoceles Heronian triangles, ordered. +0
1
5, 5, 13, 13, 17, 17, 25, 25, 29, 29, 37, 37, 41, 41, 53, 53, 61, 61, 65, 65, 65, 65, 73, 73, 85, 85, 85, 85, 89, 89, 97, 97, 101, 101, 109, 109, 113, 113, 125, 125, 137, 137, 145, 145, 145, 145, 149, 149, 157, 157, 169, 169, 173, 173, 181, 181, 185, 185, 185, 185 (list; graph; listen)
OFFSET

1,1

FORMULA

Entries of A020882 doubled.

EXAMPLE

Entries 65,65,65,65, refer to the isosceles Heronian triangles (65,65,66),(66,65,112),(65,65,32),(65,65,126) the first two with common area 1848,and the last two with common area 1008.

CROSSREFS

Cf. A120644.

Sequence in context: A055526 A146984 A055524 this_sequence A147280 A147494 A147016

Adjacent sequences: A132978 A132979 A132980 this_sequence A132982 A132983 A132984

KEYWORD

nonn

AUTHOR

Lekraj Beedassy (blekraj(AT)yahoo.com), Nov 19 2007

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Last modified December 4 15:51 EST 2008. Contains 151308 sequences.


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