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A050737 Numbers of form 7^k (values of k see A050728) containing no pair of consecutive equal digits (probably finite). 0
1, 7, 49, 343, 2401, 16807, 823543, 5764801, 40353607, 282475249, 13841287201, 232630513987207, 65712362363534280139543 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..12.

CROSSREFS

Cf. A043096, A050728.

Sequence in context: A126627 A206453 A000420 * A195908 A033143 A024582

Adjacent sequences:  A050734 A050735 A050736 * A050738 A050739 A050740

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Sep 15 1999.

STATUS

approved

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Last modified August 19 23:35 EDT 2017. Contains 290821 sequences.