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A216138 a(n) = conjectured number of integers k such that n^k has no three consecutive identical digits. 1
335, 246, 164, 150, 141, 137, 109, 120, 2, 93, 79, 105, 105, 98, 85, 82, 76, 89, 2, 79, 79, 80, 72, 74, 71, 85, 79, 83, 2, 78, 62, 70, 76, 78, 75, 75, 67, 68, 2, 70, 70, 70, 67, 61, 65, 60, 60, 71, 2, 77, 74, 67, 63, 69, 69, 58, 62, 57, 2, 68, 60, 67, 47, 62 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

V. Raman, Table of n, a(n) for n = 2..99

CROSSREFS

Cf. A216063, A216064, A216065.

Sequence in context: A303210 A278098 A303209 * A252995 A119760 A046015

Adjacent sequences:  A216135 A216136 A216137 * A216139 A216140 A216141

KEYWORD

nonn,base

AUTHOR

V. Raman, Sep 01 2012

STATUS

approved

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Last modified December 2 17:48 EST 2021. Contains 349445 sequences. (Running on oeis4.)