/// Hexagonal sequence [OEIS A000384](https://oeis.org/A000384)
/// Lazy caterer sequence [OEIS A000124](https://oeis.org/A000124)
/// Pentagonal sequence [OEIS A000326](https://oeis.org/A000326)
/// Square sequence [OEIS A000290](https://oeis.org/A000290)
/// Star sequence [OEIS A003154](https://oeis.org/A003154)
/// Stella octangula sequence [OEIS A007588](https://oeis.org/A007588)
/// Triangular sequence [OEIS A000217](https://oeis.org/A000217)