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A178843 Numbers in which the n-th digit is either a divisor or a nonzero multiple of n. 0
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, 44, 46, 48, 51, 52, 54, 56, 58, 61, 62, 64, 66, 68, 71, 72, 74, 76, 78, 81, 82, 84, 86, 88, 91, 92, 94, 96, 98, 111, 113, 116, 119, 121, 123, 126, 129, 141, 143, 146, 149, 161, 163 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..68.

EXAMPLE

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.

CROSSREFS

Cf. A069570.

Sequence in context: A124097 A180478 A062461 * A252996 A252495 A182175

Adjacent sequences:  A178840 A178841 A178842 * A178844 A178845 A178846

KEYWORD

base,easy,nonn

AUTHOR

Jeremy Gardiner, Jun 17 2010

STATUS

approved

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Last modified May 30 11:52 EDT 2020. Contains 334724 sequences. (Running on oeis4.)