# square pyramidal number

> pyramidal number

**Wikidata**: [Q18949](https://www.wikidata.org/wiki/Q18949)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Square_pyramidal_number)  
**Source**: https://4ort.xyz/entity/square-pyramidal-number


## References

1. Freebase Data Dumps. 2013
2. BabelNet