## Perrin number |

In **Perrin numbers** are defined by the

*P*(*n*) =*P*(*n*− 2) +*P*(*n*− 3) for*n*> 2,

with initial values

*P*(0) = 3,*P*(1) = 0,*P*(2) = 2.

The sequence of Perrin numbers starts with

The number of different *n*-vertex *n*th Perrin number for *n* > 1.^{[1]}

This sequence was mentioned implicitly by ^{[2]} The most extensive treatment of this sequence was given by Adams and Shanks (1982).

Other Languages

Deutsch: Perrin-Folge

español: Número de Perrin

français: Nombre de Perrin

한국어: 페랭 수

italiano: Numero di Perrin

magyar: Perrin-számok

日本語: ペラン数

русский: Число Перрина

svenska: Perrintal

中文: 佩蘭數列