1. Chiliagon. Wikipedia: the free encyclopedia [Internet]. Available from: http://en.wikipedia.org/wiki/Chiliagon.
2. Sequence factorial ofg-gonal numbers
3. Sloane NJA. Sequences A195163, A001110, A001108, A001109, A000290, A036353, A046172 and A046173 in ‘The On-Line Encyclopedia of Integer Sequences.’ [Internet]. Available from: https://oeis.org.
4. Figurate Numbers