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1,3
Table of n, a(n) for n=1..66.
Sequence in context: A125236 A137624 A238246 * A054353 A031948 A247523
Adjacent sequences: A099464 A099465 A099466 * A099468 A099469 A099470
easy,nonn
Gaetan Polard (gaetan27(AT)hotmail.com), Nov 18 2004
approved