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.

A262648 Base-10 representation of 0 and the primes at A262647.

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%I A262648 #6 Oct 26 2015 22:24:51
%S A262648 1,43,55987,102792517,95125388731,3981385394034229,
%T A262648 27783887681061330839,7141162170983023407421,
%U A262648 40050387387887393264626841,400599026018424027699693461857,2500775549161597801615214316269999,35465901730059327498617881373769591811
%N A262648 Base-10 representation of 0 and the primes at A262647.
%H A262648 Clark Kimberling, <a href="/A262648/b262648.txt">Table of n, a(n) for n = 1..300</a>
%e A262648 n   A262647(n)    base-10 representation
%e A262648 1     1                  1
%e A262648 2     111                43
%e A262648 3     1111111            55987
%t A262648 s = {1}; base = 6; z = 20; Do[NestWhile[# + 1 &, 1, ! PrimeQ[tmp = FromDigits[Join[#, IntegerDigits[Last[s]], Reverse[#]] &[IntegerDigits[#, base]], base]] &];
%t A262648 AppendTo[s, FromDigits[IntegerDigits[tmp, base]]], {z}]; s  (* A262645 *)
%t A262648 Map[FromDigits[ToString[#], base] &, s]  (* A262646 *)
%t A262648 (* _Peter J. C. Moses_, Sep 01 2015 *)
%Y A262648 Cf. A262647.
%K A262648 nonn,base
%O A262648 1,2
%A A262648 _Clark Kimberling_, Oct 25 2015