Thu Mar 20 2014 05:42:38 GMT+0000 (Coordinated Universal Time)
F1 suffers from triskaidekaphobia:
An abnormal fear of the number thirteen.
"The last time is was used in F1 was by she-racer Divina Galica was a well-known Olympic skier.
In 1976 she was entered for the British Shellsport International Group 8 series and after some promising performances, Nick Whiting decided to enter her for the British Grand Prix. It was the first time in 13 years a car with the No. 13 had been seen at a race, but Galica failed to qualify."