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.

A216203 Smallest prime that does not divide at least one n-digit zeroless pandigital number.

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%I A216203 #27 Feb 16 2025 08:33:18
%S A216203 44449,900001,7000003,20000003,30000001,100000007,500000003,
%T A216203 1000000007,6000000001
%N A216203 Smallest prime that does not divide at least one n-digit zeroless pandigital number.
%C A216203 How many first terms are in A182051?
%C A216203 The analogous sequence for pandigital numbers is A228253. - _Giovanni Resta_, Aug 19 2013
%H A216203 Carlos Rivera, <a href="http://www.primepuzzles.net/puzzles/puzz_259.htm">Puzzle 259</a>
%H A216203 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PandigitalNumber.html">Pandigital Number</a>
%t A216203 lst = Times @@ Union[FromDigits@# & /@ Permutations@Range[9]]; n = 1; While[True, p = Prime[n]; If[! Divisible[lst, p], Print[p]; Break[]]; n++]
%Y A216203 Cf. A164968, A182051.
%K A216203 base,more,nonn
%O A216203 9,1
%A A216203 _Arkadiusz Wesolowski_, Mar 12 2013
%E A216203 a(11)-a(16) from _Giovanni Resta_, Mar 12 2013
%E A216203 a(17) from _Giovanni Resta_, Mar 13 2013