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A023411 If any even power of 2 ends with k 1's and 8's, they must be the first k terms of this sequence in reverse order. 3

%I #13 Jan 27 2022 22:47:28

%S 8,8,8,1,8,1,8,1,1,8,8,8,8,8,8,1,8,1,8,8,8,8,1,8,1,8,1,1,8,1,1,8,8,1,

%T 1,8,1,1,8,8,1,8,1,8,8,1,8,1,1,1,8,8,8,1,8,8,1,8,1,1,8,8,1,8,1,1,1,8,

%U 1,1,1,8,1,1,1,1,1,8,8,8,8,1,8,8,8,8,8,1,8,8,8,8,1,8,8,8,8,1,8,8,1,1,8,1,1,1,1,1

%N If any even power of 2 ends with k 1's and 8's, they must be the first k terms of this sequence in reverse order.

%H Ray Chandler, <a href="/A023411/b023411.txt">Table of n, a(n) for n = 1..10000</a>

%K nonn,base

%O 1,1

%A _David W. Wilson_

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Last modified September 4 12:19 EDT 2024. Contains 375683 sequences. (Running on oeis4.)