# Cayley's formula

> English word · Noun

## Definitions
1. A formula for the number of spanning trees of a complete graph of n vertices: nⁿ⁻².

## Etymology
Named in honour of Arthur Cayley.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/cayley-s-formula