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 A216142 Conjectured number of digits in highest power of n with no four consecutive identical digits. 0
 10797, 9347, 10797, 9858, 7550, 8503, 8031, 9347, 4, 7175, 8708, 9739, 7391, 7707, 10797, 5653, 8536, 8530, 4, 6438, 6795, 7674, 8283, 5290, 9127, 9347, 6702, 7210, 5, 7125, 7446, 10462, 7508, 8061, 7550, 6706, 5184, 7226, 5, 5934, 8607, 8624, 8663, 5484 (list; graph; refs; listen; history; text; internal format)
 OFFSET 2,1 COMMENTS The number of decimal digits in n^k is equal to A055642(n^k) = floor(1+k*log_10(n)). - V. Raman, Sep 27 2012 LINKS Table of n, a(n) for n=2..45. CROSSREFS Cf. A216063, A216064, A216065. Sequence in context: A151934 A151935 A010089 * A340303 A093770 A190115 Adjacent sequences: A216139 A216140 A216141 * A216143 A216144 A216145 KEYWORD nonn,base AUTHOR V. Raman, Sep 01 2012 STATUS approved

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Last modified August 4 17:39 EDT 2024. Contains 374923 sequences. (Running on oeis4.)