login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A081874 Ordered odd short legs of primitive Pythagorean triangles. 6
3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 33, 35, 37, 39, 39, 41, 43, 45, 47, 49, 51, 51, 53, 55, 57, 57, 59, 61, 63, 65, 65, 67, 69, 69, 71, 73, 75, 75, 77, 79, 81, 83, 85, 85, 87, 87, 89, 91, 93, 93, 95, 95, 97, 99, 101, 103, 105, 105, 105, 107, 109, 111 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Sequence comprises all odd values greater than 1. In particular, primitive Pythagorean triangles with consecutive longer sides have long and short legs 2n(n+1) {A046092(n)}and 2n+1 {A005408(n)}respectively.

LINKS

Table of n, a(n) for n=1..68.

Ron Knott, Pythagorean Triples and Online Calculators

CROSSREFS

Cf. A020884.

Sequence in context: A189397 A172100 A064679 * A165747 A053229 A157142

Adjacent sequences:  A081871 A081872 A081873 * A081875 A081876 A081877

KEYWORD

nonn

AUTHOR

Lekraj Beedassy, Apr 23 2003

EXTENSIONS

Corrected and extended by Ray Chandler, Oct 29 2003

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified September 26 01:25 EDT 2017. Contains 292500 sequences.