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.

A348052 Triangle T(j,k) of denominators of relativistically added fractional velocities w(u,v)=(u+v)/(u*v+1), with velocities enumerated by the Farey series, i.e., u(m) = v(m) = A007305(m)/A007306(m), m>=2.

Original entry on oeis.org

5, 7, 5, 8, 11, 13, 3, 13, 14, 17, 4, 17, 19, 22, 29, 13, 9, 21, 23, 31, 17, 11, 15, 18, 19, 26, 29, 25, 11, 2, 17, 7, 9, 7, 23, 13, 16, 23, 5, 2, 13, 41, 34, 37, 53, 19, 27, 6, 7, 46, 49, 41, 43, 62, 73, 17, 3, 27, 31, 41, 11, 37, 19, 11, 13, 29, 6, 25, 29, 32, 43, 47, 40, 13, 19, 68, 61, 65
Offset: 2

Views

Author

Hugo Pfoertner, Sep 25 2021

Keywords

Examples

			See A348051.
The triangle starts:
  4/5,
  5/7,  3/5,
  7/8,  9/11, 12/13,
  2/3,  7/13, 11/14,  8/17,
  3/4, 11/17, 16/19, 13/22, 20/29
....
		

Crossrefs

A348051 are the corresponding numerators.