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Describe n from right to left.
2

%I #4 Mar 30 2012 18:55:34

%S 10,11,12,13,14,15,16,17,18,19,1011,21,1211,1311,1411,1511,1611,1711,

%T 1811,1911,1012,1112,22,1312,1412,1512,1612,1712,1812,1912,1013,1113,

%U 1213,23,1413,1513,1613,1713,1813,1913,1014,1114,1214,1314,24,1514,1614

%N Describe n from right to left.

%Y Cf. A047842.

%K easy,nonn,base

%O 0,1

%A _Odimar Fabeny_, Aug 29 2004

%E More terms from _Robert G. Wilson v_, Aug 30 2004