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Numbers such that every digit is a multiple of the digit to its right.
1

%I #5 Dec 05 2013 19:56:53

%S 1,2,3,4,5,6,7,8,9,11,21,22,31,33,41,42,44,51,55,61,62,63,66,71,77,81,

%T 82,84,88,91,93,99,111,211,221,222,311,331,333,411,421,422,441,442,

%U 444,511,551,555,611,621,622,631,633,661,662,663,666,711,771,777,811,821

%N Numbers such that every digit is a multiple of the digit to its right.

%C The number of n-digit terms is (n^3+15n^2+32n+6)/6. - David Wasserman

%Y Cf. A096105.

%K base,easy,nonn

%O 1,2

%A _Amarnath Murthy_, Jun 26 2004

%E Edited by _David Wasserman_, Dec 28 2005