cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A023403 If any power of 2 ends with k 4's and 5's, they must be the first k terms of this sequence in reverse order.

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%I A023403 #13 Jan 27 2022 22:45:26
%S A023403 4,4,5,4,4,4,4,5,4,5,4,5,5,5,5,4,4,5,4,5,4,5,5,4,5,5,4,5,4,5,5,4,4,4,
%T A023403 4,5,4,5,4,5,4,4,4,5,5,5,5,4,4,5,5,5,4,5,4,4,5,5,5,5,4,5,5,4,5,5,4,5,
%U A023403 5,5,5,5,4,4,5,4,5,5,5,5,5,4,4,5,5,4,4,5,5,4,5,4,5,4,5,4,5,4,5,4,5,4,4,5,4,5,5,4
%N A023403 If any power of 2 ends with k 4's and 5's, they must be the first k terms of this sequence in reverse order.
%H A023403 Ray Chandler, <a href="/A023403/b023403.txt">Table of n, a(n) for n = 1..10000</a>
%K A023403 nonn,base
%O A023403 1,1
%A A023403 _David W. Wilson_