login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A110405 A110404(k)/k where k is the corresponding number == 1,3,7 or 9 (mod 10). 1
1, 1, 1, 1, 1, 24087, 421865715983363, 48378522062732589, 5772, 140535792709705753184, 26936, 320445837687216997561825148, 4235907461713913326816552623, 1, 19929, 24087, 34491254 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,6
COMMENTS
a(A002113(n)) = 1, for n>1.
LINKS
EXAMPLE
The term corresponding to 13 is 24087 =313131/13.
MATHEMATICA
f[n_] := Block[{k = 1, id = Reverse[ IntegerDigits[n]]}, While[fd = FromDigits[ Flatten[ Table[id, {k}]]]; Mod[fd, n] != 0, k++ ]; fd/n]; lst = Select[ Range[1, 45, 2], Mod[ #, 5] != 0 &]; f /@ lst (* Robert G. Wilson v *)
CROSSREFS
Cf. A110404.
Sequence in context: A084691 A084692 A249843 * A234112 A234165 A321063
KEYWORD
base,easy,nonn
AUTHOR
Amarnath Murthy, Jul 30 2005
EXTENSIONS
More terms from Robert G. Wilson v, Jul 30 2005
STATUS
approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 23 17:43 EST 2024. Contains 370283 sequences. (Running on oeis4.)