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Table of n, a(n) for n=1..20.
Floor[Exp[5/9](Range!)] (* Harvey P. Dale, Jun 13 2016 *)
Sequence in context: A030802 A030942 A030855 * A084786 A156170 A245502
Adjacent sequences: A030951 A030952 A030953 * A030955 A030956 A030957