10 Dec
2006
10 Dec
'06
8:02 a.m.
Hello Math-Fun, What is the last term of the sequence starting with "1" and obeying the rule: "Add to n the smallest positive integer sharing no digit with n" Sequence should begin like this : 1,3,4,5,6,7,8,9,10,12,15,17,19,21,24,25.... Best, E.