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Smallest multiple of 4 with digit sum 4^n.
0

%I #8 Mar 31 2024 02:14:23

%S 100,4,88,39999988,69999999999999999999999999988,

%T 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999988

%N Smallest multiple of 4 with digit sum 4^n.

%K nonn,base,easy

%O 0,1

%A _Amarnath Murthy_, Apr 02 2002

%E a(4) corrected by _Sean A. Irvine_, Mar 30 2024