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A169734
a(1) = 1000; for n>1, a(n) = a(n-1) + digitsum(a(n-1)).
1
1000, 1001, 1003, 1007, 1015, 1022, 1027, 1037, 1048, 1061, 1069, 1085, 1099, 1118, 1129, 1142, 1150, 1157, 1171, 1181, 1192, 1205, 1213, 1220, 1225, 1235, 1246, 1259, 1276, 1292, 1306, 1316, 1327, 1340, 1348, 1364, 1378, 1397, 1417, 1430, 1438, 1454
OFFSET
1,1
MAPLE
f:=proc(n) global S; option remember; if n=1 then RETURN(S) else RETURN(f(n-1)+digsum(f(n-1))); fi; end; S:=1000; [seq(f(n), n=1..120)];
CROSSREFS
First differences are A065075. Cf. A169732.
Sequence in context: A033421 A033432 A169732 * A213317 A281150 A069746
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, May 01 2010
STATUS
approved