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Van Eck Sequence Authors

Van Eck Sequence

Details

The rules of the Van Eck sequence are as follows:

  1. The first term is zero.
  2. If the last term is new then the next term is zero.
  3. Otherwise the next term is how far back the term occurred previously.

The first few terms are as follows:

0         (using a)
0 0       (using b)
0 0 1     (using c)
0 0 1 0   (using b)
0 0 1 0 2 (using c)

Print the first 1,000 terms of the Van Eck sequence, with each term on a new line.

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