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A084906 Numbers with at least one place in their decimal representation to insert a division operator such that an integer results. 4
11, 21, 22, 31, 33, 41, 42, 44, 51, 55, 61, 62, 63, 66, 71, 77, 81, 82, 84, 88, 91, 93, 99, 101, 102, 105, 111, 121, 122, 123, 124, 126, 131, 141, 142, 147, 151, 153, 155, 161, 162, 164, 168, 171, 181, 182, 183, 186, 189, 191, 201, 202, 204, 205, 211, 213 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A084904(a(n))>0; for all m=a(n) exists at least one k such that (m mod 10^k)>0 and ((m/10^k) mod (m mod 10^k))=0.

LINKS

Table of n, a(n) for n=1..56.

EXAMPLE

364->36/4=9 therefore 364 is a term; 365 is not a term, as 3/65 and 36/5 are not integers.

CROSSREFS

Cf. A084905.

Sequence in context: A279769 A084854 A108237 * A232184 A232185 A118853

Adjacent sequences:  A084903 A084904 A084905 * A084907 A084908 A084909

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, Jun 10 2003

STATUS

approved

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Last modified March 5 16:55 EST 2021. Contains 341827 sequences. (Running on oeis4.)