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Table of n, a(n) for n=1..53.
If n=143 then 555n = 555143 (prime).
Sequence in context: A122560 A136338 A193867 * A023254 A129807 A045461
Adjacent sequences: A110569 A110570 A110571 * A110573 A110574 A110575
Parthasarathy Nambi, Sep 12 2005
More terms from Vincenzo Librandi, Mar 27 2010