%I #2 Apr 09 2005 03:00:00
%S 0,1,2,3,4,10,11,12,13,14,100,101,102,103,104,110,111,112,113,114,200,
%T 201,202,203,204,1000,1001,1002,1003,1004,1010,1011,1012,1013,1014,
%U 1100,1101,1102,1103,1104,1110,1111,1112,1113,1114,1200,1201,1202,1203,1204
%N Nonnegative integers written in "base American money" - the places, from the right, are pennies, nickels, dimes, quarters, 50-cent pieces, dollars, 2 dollars, 5 dollars, 10 dollars, 20 dollars, 50 dollars, 100 dollars, ...
%e a(21) = 201 because two dimes and a penny is the smallest number of coins needed to make 21 cents.
%K easy,nonn
%O 0,3
%A Gabriel Cunningham (gcasey(AT)mit.edu), Mar 31 2003