A050737 - OEIS

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A050737

Numbers of form 7^k (values of k see A050728) containing no pair of consecutive equal digits (probably finite).

%I #5 Oct 16 2019 01:13:00

%S 1,7,49,343,2401,16807,823543,5764801,40353607,282475249,13841287201,

%T 232630513987207,65712362363534280139543

%N Numbers of form 7^k (values of k see A050728) containing no pair of consecutive equal digits (probably finite).

%Y Cf. A043096, A050728.

%K nonn,base

%O 0,2

%A _Patrick De Geest_, Sep 15 1999