Definition of "Rathjen-type Ordinal Notation" by p進大好きbot, Retrieved 2022/01/08
The program (implementation.js) and the site (implementation.html) under https://naruyoko.github.io/googology/padicBotRathjen is licensed by Creative Commons Attribution-ShareAlike 3.0 Unported License.
This notation was named "Naruyoko is the great" "[i]n order to express my gratitude higher than mountains and deeper than ocean to you [Naruyoko] (and due to the fact that the most part of this notation was fixed by you)" following discussions related to making of this program.