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Table of n, a(n) for n=0..33.
a(2) = 11 because 3^3^3^... + 2 = 0 (mod 11).
Sequence in context: A153187 A248242 A215598 * A110326 A112061 A238398
Adjacent sequences: A152174 A152175 A152176 * A152178 A152179 A152180
Karl W. Heuer, Nov 28 2008