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Table of n, a(n) for n=1..61.
Cf. A191920, A191921, A191923.
Sequence in context: A035064 A113191 A191923 * A030294 A125668 A034894
Adjacent sequences: A191919 A191920 A191921 * A191923 A191924 A191925
Clark Kimberling, Jun 19 2011