The number of trips by Robin Snyder  ,  robin@RobinSnyder.com , source: IS527/tsp-02 [NV/asp] [page formatted/updated on 2008/02/15 at 10:21:00 , loaded on 2012/02/08 at 16:39:21 ] versions:    screen-friendly    printer-friendly Table of contents:    1. The number of trips    2. The factorial function    3. 3 cities    4. 4 cities    5. 5 cities    6. 6 cities    7. 7 cities    8. 8 cities    9. 9 cities    10. 10 cities    11. 11 cities    12. 12 cities    13. Existence of solutions    14. Effective method    15. Vocabulary    16. Short answer questions by Robin Snyder  ,  robin@RobinSnyder.com , source: IS527/tsp-02 [NV/asp]