|
Search: id:A132981
|
|
|
| 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
|
|
|
Search completed in 0.002 seconds
|