login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A113556
Least multiple of n in which the n-th digit from left is 1.
8
1, 110, 111, 10012, 100010, 1000014, 1000041, 100000016, 100000071, 10000000010, 10000000021, 1000000000116, 1000000000051, 100000000000012, 1000000000000110, 10000000000000016, 10000000000000101, 1000000000000000116
OFFSET
1,2
EXAMPLE
a(4)= 10012, in which the fourth digit is 1.
CROSSREFS
Cf. A113557.
Sequence in context: A008944 A306701 A106004 * A286943 A285911 A285826
KEYWORD
base,easy,nonn
AUTHOR
Amarnath Murthy, Nov 06 2005
EXTENSIONS
More terms from Joshua Zucker, May 03 2006
STATUS
approved