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%I #9 Jan 15 2013 13:48:49
%S 0,12,104,1026,10238,102354,1023468,10234587,1023457869
%N Main diagonal of array T(k,n) = n-th number in which the number of distinct base 10 digits is k.
%e T(1,1) = 0, which is first number in which the number of distinct base 10 digits is 1. That row has only one other element, 1.
%e T(2,2) = 12, which is first number not beginning with a zero in which the number of distinct base 10 digits is 2. The row begins: 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23,....
%e 0,1,2,3,4,5,6,...
%e 10,12,13,14,15,16,17,...
%e 102,103,104,105,106,107,108,...
%e 1023,1024,1025,1026,1027,1028,1029,...
%e 10234,10235,10236,10237,10238,10239,10243,...
%e 102345,102346,102347,102348,102349,102354,102356,...
%e 1023456,1023457,1023458,1023459,1023465,1023467,1023468,...
%Y Cf. A043537, A031969 (case 4), A220076 (case 6), A218019 (case 7).
%Y Cf. A219743 (case 8), A050278 (pandigital numbers).
%K nonn,base,easy,fini,full
%O 1,2
%A _Jonathan Vos Post_, Dec 05 2012
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