A216142 Conjectured number of digits in highest power of n with no four consecutive identical digits.

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

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