### Description This RFC proposes adding a new package to the constants/float32/* namespace: @stdlib/constants/float32/max-safe-nth-tribonacci. This package is the single-precision equivalent of [@stdlib/constants/float32/max-safe-nth-tribonacci](https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/constants/float32/max-safe-nth-tribonacci). ### Related Issues Related issues #649 . ### Questions No. ### Other No. ### Checklist - [x] I have read and understood the [Code of Conduct](https://github.com/stdlib-js/stdlib/blob/develop/CODE_OF_CONDUCT.md). - [x] Searched for existing issues and pull requests. - [x] The issue name begins with `RFC:`.