Thursday, July 30, 2009

What comes next?

What comes next in the following sequences?
  1. ..., 4, 14, 23, 34, 42, 50, __, 72, 81, ...
  2. ..., a, f, p, n, __, m, ...
  3. ..., 1, 1, 1, 1, 1, __, ....

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