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%I #12 May 19 2019 14:55:44
%S 0,1,0,1,0,1,0,1,0,1,1,2,2,4,2,4,2,4,2,4,0,2,0,2,0,2,0,2,0,2,1,4,2,2,
%T 2,4,2,4,2,4,0,2,0,2,0,2,0,2,0,2,1,4,2,4,2,2,2,4,2,4,0,2,0,2,0,2,0,2,
%U 0,2,1,4,2,4,2,4,2,2,2,4,0,2,0,2,0,2,0,2,0,2,1,4,2,4,2,4,2,4,2,2
%N Number of distinct odd numbers formed from the digits of n.
%e a(37)=4 because we can form 3, 7, 37 and 73.
%t f[n_]:=Length[Select[FromDigits/@Flatten[Rest[Permutations/@Subsets[IntegerDigits[n]]],1], OddQ]]; Table[f[i],{i,0,100}] (* _Harvey P. Dale_, Jan 29 2011 *)
%K nonn,base,easy
%O 0,12
%A _Felice Russo_
%E More terms from _Erich Friedman_
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