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Table of n, a(n) for n=1..45.
Cf. A014612, A046369.
Sequence in context: A087248 A249242 A189759 * A302570 A300156 A160352
Adjacent sequences: A046398 A046399 A046400 * A046402 A046403 A046404
Patrick De Geest, Jun 15 1998.