The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A298614 Number of primitive Heronian triangles with perimeter A096468(n). 11
1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 2, 3, 1, 1, 3, 1, 1, 2, 1, 1, 1, 2, 5, 3, 1, 6, 3, 2, 5, 1, 4, 1, 1, 1, 4, 1, 6, 1, 3, 4, 5, 1, 3, 3, 2, 8, 1, 1, 1, 1, 1, 5, 1, 3, 2, 2, 7, 8, 3, 4, 3, 2, 6, 3, 3, 1, 5, 4, 3, 1, 5, 1, 2, 6, 16, 1, 9, 4, 9, 1, 3, 2, 3, 1, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,6
COMMENTS
A Heronian triangle is a triangle with integer sides and area.
LINKS
Sascha Kurz, Lists of primitive Heronian triples, Bayreuth University.
FORMULA
a(n) = A070138(A096468(n)).
CROSSREFS
This is A070138 with the zeros omitted.
Cf. A096468.
Sequence in context: A029380 A298485 A332997 * A108129 A078349 A266476
KEYWORD
nonn
AUTHOR
Peter Kagey, Jan 26 2018
STATUS
approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 23 15:34 EDT 2024. Contains 372763 sequences. (Running on oeis4.)