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A241790
Triangular numbers which have one or more occurrences of exactly seven different digits.
7
1024596, 1047628, 1053426, 1069453, 1073845, 1078246, 1203576, 1234806, 1345620, 1360425, 1362075, 1386945, 1390278, 1405326, 1430586, 1439056, 1462905, 1486950, 1493856, 1547920, 1549680, 1590436, 1602945, 1624503, 1642578, 1679028, 1684530, 1693720
OFFSET
1,1
COMMENTS
The first term having a repeated digit is 10149765.
LINKS
PROG
(PARI) s=[]; for(n=0, 2500, if(#vecsort(eval(Vec(Str(n*(n+1)/2))), , 8)==7, s=concat(s, n*(n+1)/2))); s
KEYWORD
nonn,base
AUTHOR
Colin Barker, Apr 28 2014
STATUS
approved