cp's OEIS Frontend

A342080 Numbers that cannot be expressed as the sum of one or more numbers without any repeated digits.

%I A342080 #17 Apr 01 2021 14:42:12
%S A342080 18872,18874,18890,18892,22085,22111,22112,22116,22120,22121,22130,
%T A342080 22210,22211,22220,22256,22310,22570,22571,22580,22607,22616,22652,
%U A342080 22670,22679,22697,22706,22710,22724,22762,22825,22832,22841,22850,22859,22864
%N A342080 Numbers that cannot be expressed as the sum of one or more numbers without any repeated digits.
%C A342080 Computer solutions found by Oscar Volpatti.
%C A342080 All numbers > 9876543210 are terms. Number of terms <= 987654210 is 9862729718. - _Chai Wah Wu_, Apr 01 2021
%H A342080 Chai Wah Wu, <a href="/A342080/b342080.txt">Table of n, a(n) for n = 1..10000</a>
%H A342080 Carlos Rivera and Rodolfo Kurchan, <a href="https://www.primepuzzles.net/puzzles/puzz_1030.htm">Puzzle 1030, A puzzle cousin of puzzle 1027</a>, The Prime Puzzles and Problems Connection.
%e A342080 Example of numbers with solutions:
%e A342080 393 = 352 + 41;
%e A342080 856 = 856;
%e A342080 1000 = 987 + 13;
%e A342080 1111 = 987 + 124 or 1024 + 87;
%e A342080 45 = 45 or 42 + 3 or 1+2+3+4+5+6+7+8+9;
%e A342080 10002 = 9874 + 125 + 3.
%e A342080 The smallest number without solution is 18872.
%Y A342080 Cf. A339673.
%K A342080 base,nonn
%O A342080 1,1
%A A342080 _Rodolfo Kurchan_, Feb 27 2021