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See A210000 for a guide to related sequences.
Table of n, a(n) for n=0..46.
(See the Mathematica section at A210000.)
Sequence in context: A058106 A021103 A222662 * A001902 A224085 A192891
Adjacent sequences: A209974 A209975 A209976 * A209978 A209979 A209980
Clark Kimberling, Mar 16 2012