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For m=2,3,..., write m in bases m,m-1,...,3,2.
4

%I #6 Mar 30 2012 18:51:17

%S 10,10,11,10,11,100,10,11,12,101,10,11,12,20,110,10,11,12,13,21,111,

%T 10,11,12,13,20,22,1000,10,11,12,13,14,21,100,1001,10,11,12,13,14,20,

%U 22,101,1010,10,11,12,13,14,15,21,23,102,1011,10,11,12,13,14,15,20,22,30

%N For m=2,3,..., write m in bases m,m-1,...,3,2.

%C Note that twenty-one in base eleven is the first term which requires a non-decimal digit (roughly the two hundredth term of the sequence).

%K nonn,base,easy,tabl

%O 2,1

%A _N. J. A. Sloane_, Johan Boye (johbo(AT)ida.liu.se)

%E More terms from _Henry Bottomley_, Nov 23 2000