%I #11 Oct 30 2014 11:48:50
%S 10296,12403,13695,14028,14365,14706,16290,17205,19306,19503,21736,
%T 21945,23871,24310,24531,24753,24976,27495,29403,30628,30876,32640,
%U 32896,34716,34980,37128,37401,37950,39621,40186,41328,41905,42195,43071,43956,46971,47586
%N Triangular numbers which have one or more occurrences of exactly five different digits.
%C The first term having a repeated digit is 100576.
%H Colin Barker, <a href="/A241788/b241788.txt">Table of n, a(n) for n = 1..1000</a>
%o (PARI) s=[]; for(n=0, 500, if(#vecsort(eval(Vec(Str(n*(n+1)/2))), , 8)==5, s=concat(s, n*(n+1)/2))); s
%Y Cf. A045914, A062691, A162304, A241787, A241789, A241790, A241791, A241792, A241812.
%Y Cf. A000217.
%K nonn,base
%O 1,1
%A _Colin Barker_, Apr 28 2014