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Table of n, a(n) for n=1..21.
Cf. A077172, A077173, A077174, A077175, A077176.
Sequence in context: A257663 A292162 A068878 * A152965 A139284 A003614
Adjacent sequences: A100915 A100916 A100917 * A100919 A100920 A100921
Ray Chandler, Nov 29 2004