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A178843 Numbers in which the n-th digit is either a divisor or a nonzero multiple of n. 0

%I #4 Aug 10 2015 00:39:18

%S 1,2,3,4,5,6,7,8,9,11,12,14,16,18,21,22,24,26,28,31,32,34,36,38,41,42,

%T 44,46,48,51,52,54,56,58,61,62,64,66,68,71,72,74,76,78,81,82,84,86,88,

%U 91,92,94,96,98,111,113,116,119,121,123,126,129,141,143,146,149,161,163

%N Numbers in which the n-th digit is either a divisor or a nonzero multiple of n.

%e 321 is in the sequence because (counting digits from the left) 3 is a multiple of 1, 2 is a multiple of 2, and 1 is a divisor of 3.

%Y Cf. A069570.

%K base,easy,nonn

%O 1,2

%A _Jeremy Gardiner_, Jun 17 2010

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Last modified April 19 15:34 EDT 2024. Contains 371794 sequences. (Running on oeis4.)