cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A140392 Triples of height (a prime p), base length x and side length y=z of isosceles triangles.

Original entry on oeis.org

3, 8, 5, 5, 24, 13, 7, 48, 25, 11, 120, 61, 13, 168, 85, 17, 288, 145, 19, 360, 181, 23, 528, 265, 29, 840, 421, 31, 960, 481, 37, 1368, 685, 41, 1680, 841, 43, 1848, 925, 47, 2208, 1105, 53, 2808, 1405, 59, 3480, 1741, 61, 3720, 1861, 67, 4488, 2245, 71, 5040, 2521
Offset: 1

Views

Author

Juri-Stepan Gerasimov, Jun 13 2008

Keywords

Comments

Or: consecutive triples of p=A000040(j), x=2*A084920(j), y=z= A066885(j), j>=2.
The area of the triangles is half the product of height and base length, p*x/2=A127918(j).

Examples

			Contains (p,x,y) = (3,8,5), (5,24,13), (7,48,25), (11,120,61), ...
		

Extensions

Edited and extended by R. J. Mathar, Jun 17 2008