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See A122618 for notation.
Table of n, a(n) for n=1..69.
Sequence in context: A000010 A003978 A122645 * A028496 A063428 A133439
Adjacent sequences: A122643 A122644 A122645 * A122647 A122648 A122649
N. J. A. Sloane, Sep 21 2006