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Table of n, a(n) for n=1..57.
A001358 INTERSECT A067888.
Cf. A001358, A067888, A067889.
Sequence in context: A085721 A190300 A081614 * A215477 A175459 A107665
Adjacent sequences: A192217 A192218 A192219 * A192221 A192222 A192223
Juri-Stepan Gerasimov, Jun 26 2011