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.

A246881 a(n)=A246880(n) where no k exists such that A246880(n)=A002277(k)*(2*10^(A081677(k-1))+3).

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%I A246881 #37 Oct 17 2014 23:37:51
%S A246881 609,6660999,666666609999999,6666666660999999999,
%T A246881 66666666666666666099999999999999999,
%U A246881 666666666666666666666666609999999999999999999999999,6666666666666666666666666660999999999999999999999999999
%N A246881 a(n)=A246880(n) where no k exists such that A246880(n)=A002277(k)*(2*10^(A081677(k-1))+3).
%C A246881 For any n there exists a k such that A246880(n)=A002277(k-1)*A173041(k).
%Y A246881 Subsequence of A246880.
%K A246881 nonn,less,base
%O A246881 1,1
%A A246881 _Felix Fröhlich_, Sep 06 2014