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A171007

Sequence S constructed with the property that the next term is the smallest integer not yet present in S such that the sum of the a(n) first digits of S is a prime.

N. J. A. Sloane, Sep 03 2010, based on discussions in the Sequence Fans Mailing List, started by Eric Angelini, with contributions from M. F. Hasler and D. S. McNeil