A037921 Trajectory of 9 under prime factor concatenation procedure.
9, 3, 3, 3, 11, 311
Offset: 1
Examples
9 -> 3,3 -> 3,11 -> 311
Links
- P. De Geest, Home Primes
Extensions
Edited by Charles R Greathouse IV, Apr 30 2010
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.
9 -> 3,3 -> 3,11 -> 311