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

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A024160 Number of integer-sided triangles with sides a,b,c, a<b<c, a+b+c=n such that (c-b)(c-a)(b-a) divides (c+b)(c+a)(b+a). 0
0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 2, 1, 2, 2, 3, 1, 3, 3, 4, 2, 3, 3, 4, 2, 5, 3, 4, 2, 5, 5, 2, 4, 6, 6, 5, 2, 6, 5, 5, 3, 5, 5, 7, 5, 6, 5, 7, 4, 9, 7, 6, 4, 8, 7, 8, 6, 9, 6, 8, 4, 4, 8, 11, 7, 10, 4, 9, 8, 8, 7, 8, 8, 9, 9, 7, 3, 10, 8, 8, 8, 5, 9, 11, 7, 11, 8, 7, 9, 12, 12, 8, 7, 10, 9, 13, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,15

LINKS

Table of n, a(n) for n=1..100.

CROSSREFS

Sequence in context: A033666 A249337 A139124 * A103284 A071287 A072084

Adjacent sequences:  A024157 A024158 A024159 * A024161 A024162 A024163

KEYWORD

nonn

AUTHOR

Clark Kimberling

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 December 9 21:41 EST 2016. Contains 278987 sequences.