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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A289253 Areas of integer-sided triangles whose area equals 7 times their perimeter. 2
1134, 1176, 1344, 1386, 1470, 1596, 1680, 1764, 1848, 1890, 2016, 2058, 2184, 2310, 2394, 2520, 2604, 2856, 2940, 3024, 3360, 3696, 3780, 3864, 4032, 4242, 4368, 4536, 4830, 5292, 5544, 5712, 6006, 6090, 6216, 6258, 6510, 6636, 6720 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Zhining Yang, Table of n, a(n) for n = 1..77

EXAMPLE

The areas 1134,1176,1344,1386,1470, ... pertain respectively to triangles with sides (39,60,63), (42,56,70), (40,68,84), (36,77,85), (35,84,91)...., equal 7 times their perimeter 162,168,192,198,210,...

CROSSREFS

Cf. A098030, A289218, A289219, A289220, A289221.

A row of the triangle in A290451.

Sequence in context: A166957 A163651 A122476 * A066365 A014365 A027545

Adjacent sequences:  A289250 A289251 A289252 * A289254 A289255 A289256

KEYWORD

fini,full,nonn

AUTHOR

Zhining Yang, Jun 29 2017

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 16 05:38 EDT 2019. Contains 328044 sequences. (Running on oeis4.)