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Table of n, a(n) for n=1..74.
Cf. A189163, A189165.
Sequence in context: A151747 A088597 A080640 * A189032 A189130 A189213
Adjacent sequences: A189161 A189162 A189163 * A189165 A189166 A189167
Clark Kimberling, Apr 17 2011