OFFSET
1,2
FORMULA
a(n) = A070022(n)/11. Numbers of the form a*b*c where a is in {1, 3, 9}, b is a power of 2 and c is a power of 5.
EXAMPLE
12 is in the sequence since 1/12 = 0.08333333333...
11 is not since 1/11 = 0.0909090909...
10 is in, since 1/10 = 0.1000000... = 0.099999999...
MATHEMATICA
Select[Range[750], Length[RealDigits[1/#][[1, -1]]] <= 1 &] (* Amiram Eldar, Jun 12 2022 *)
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Henry Bottomley, Apr 12 2002
STATUS
approved