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Table of n, a(n) for n=1..30.
Sequence in context: A209048 A181327 A257503 * A200715 A297901 A079308
Adjacent sequences: A091858 A091859 A091860 * A091862 A091863 A091864
Leroy Quet, Mar 13 2004
More terms from John W. Layman, May 18 2004
Further terms from Jon E. Schoenfield, Jun 21 2007