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%I #10 Feb 27 2015 16:43:19
%S 2,4,6,8,50,24,70,80,18,190,209,48,247,266,195,448,476,198,874,3980,
%T 399,2398,1679,888,4975,1898,999,7588,4988,39990,8959,17888,42999,
%U 28798,57995,29988,37999,59888,49998,699880,177899,88998,99889,479996,499995
%N a(n) is the smallest number which is divisible by n, is not equal to n and its digital sum is also divisible by n.
%e a(5) = 50 because 50 is the smallest number(not equal to the number itself) which is divisible by 5 and its digital sum is divisible by 5.
%t sndn[n_]:=Module[{k=2},While[!Divisible[Total[IntegerDigits[k*n]],n], k++]; k*n]; Array[sndn,50] (* _Harvey P. Dale_, Feb 27 2015 *)
%o (PARI) a(n) = {k = 2; while (sumdigits(k*n) % n, k++); k*n;} \\ _Michel Marcus_, Oct 09 2013
%K nonn,base
%O 1,1
%A _Gaurav Kumar_, Jul 29 2009
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