# pentagonal pyramidal number

> pyramidal number

**Wikidata**: [Q2708903](https://www.wikidata.org/wiki/Q2708903)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Pentagonal_pyramidal_number)  
**Source**: https://4ort.xyz/entity/pentagonal-pyramidal-number


## References

1. Freebase Data Dumps. 2013