Mathematics

or at least statistical or numerically related things

• Dice Problems
  A (slowly) growing collection of dice-related mathematical problems of varying difficulty, with solutions plus helpful appendices (in PDF).
• 'A sequence related to a conjecture of Schinzel'
  A paper of mine related to the "p+1" problem. In the Journal of Integer Sequences.
• Dictionary of Numbers
  A Java-based "dictionary of numbers" in which to look up characteristics of positive integers.
• More on the p+1 problem
  Results of some calculations, and maybe a conjecture or two.
• Gallery of Ulam Spirals
  Gallery of images made by coloring spirals of the positive integers, as suggested by Ulam's prime spiral.
• Some statistics connected to the Grand Tours
  How well does a rider's prologue ranking predict his final GC ranking in a Tour? An on-going project.
• Paris-Roubaix plots
  Some plots of historical data related to the Paris-Roubaix bicyle classic.
• A silly digits problem
  Some bits and pieces on a silly old digit problem.
• Worst proof ever
  And the end of a twenty year old question.