login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A001746 At least one digit contains a loop (version 1). 5
0, 6, 8, 9, 10, 16, 18, 19, 20, 26, 28, 29, 30, 36, 38, 39, 40, 46, 48, 49, 50, 56, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 76, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

A 10-automatic sequence: contains at least one 0, 6, 8, or 9 in decimal. - Charles R Greathouse IV, Feb 11 2017

LINKS

T. D. Noe, Table of n, a(n) for n = 1..1000

FORMULA

a(n) = n + O(n^k) where k = log 6/log 10 = 0.77815.... - Charles R Greathouse IV, Feb 11 2017

MATHEMATICA

Select[Range[0, 200], Length[Intersection[{0, 6, 8, 9}, Union[IntegerDigits[#]]]] > 0 &] (* T. D. Noe, Aug 10 2012 *)

PROG

(PARI) is(n)=n==0 || !!#setintersect(Set(digits(n)), [0, 6, 8, 9]) \\ Charles R Greathouse IV, Feb 11 2017

CROSSREFS

Sequence in context: A102106 A175821 A074845 * A025070 A123704 A045574

Adjacent sequences:  A001743 A001744 A001745 * A001747 A001748 A001749

KEYWORD

base,nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 12 05:52 EST 2019. Contains 329051 sequences. (Running on oeis4.)