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Proposed by Leroy Quet, Feb 13 2004; computed by several people including Fred W. Helenius, Feb 14 2004.
Table of n, a(n) for n=1..41.
Sequence in context: A207337 A145478 A143103 * A079292 A246334 A272838
Adjacent sequences: A091848 A091849 A091850 * A091852 A091853 A091854
N. J. A. Sloane, Mar 13 2004