login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A061807 Smallest positive multiple of n containing only even digits. 5
2, 2, 6, 4, 20, 6, 28, 8, 288, 20, 22, 24, 26, 28, 60, 48, 68, 288, 228, 20, 42, 22, 46, 24, 200, 26, 486, 28, 406, 60, 62, 64, 66, 68, 280, 288, 222, 228, 468, 40, 82, 42, 86, 44, 2880, 46, 282, 48, 686, 200, 204, 208, 424, 486, 220, 224, 228, 406, 826, 60, 244, 62 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Paul Tek, Table of n, a(n) for n = 1..10000

EXAMPLE

a(7) = 28 because among the multiples of 7, that is, 7, 14, 21, 28,... 28 is the smallest multiple with only even digits.

MATHEMATICA

Table[k = n; While[Length[Intersection[{1, 3, 5, 7, 9}, IntegerDigits[k]]] > 0, k = k + n]; k, {n, 100}] (* T. D. Noe, Jun 03 2013 *)

CROSSREFS

Cf. A067044, A061808.

Sequence in context: A329249 A067045 A083467 * A062885 A062293 A317368

Adjacent sequences:  A061804 A061805 A061806 * A061808 A061809 A061810

KEYWORD

base,nonn,easy

AUTHOR

Amarnath Murthy, May 28 2001

EXTENSIONS

Corrected and extended by Larry Reeves (larryr(AT)acm.org), May 29 2001

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 October 22 10:39 EDT 2021. Contains 348160 sequences. (Running on oeis4.)