# triangular array

> doubly indexed sequence of numbers, polynomials, etc., in which each row is only as long as the row's own index

**Wikidata**: [Q7840129](https://www.wikidata.org/wiki/Q7840129)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Triangular_array)  
**Source**: https://4ort.xyz/entity/triangular-array


## References

1. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)