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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A089566 a(1) = 11. For n > 1, a(n) is the least unused number such that every concatenation a(n)a(n-1)...a(2)a(1) is prime. 1
11, 2, 4, 3, 5, 9, 1, 30, 6, 20, 16, 8, 24, 15, 13, 39, 36, 56, 64, 72, 29, 49, 27, 60, 54, 63, 65, 45, 12, 99, 28, 47, 88, 51, 83, 31, 59, 94, 336, 108, 182, 204, 184, 38, 37, 188, 210, 91, 62, 10, 224, 202, 128, 115, 66, 111, 156, 566, 43, 255, 279, 315, 180, 257, 102, 118 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Is this a rearrangement of the natural numbers?

LINKS

Table of n, a(n) for n=1..66.

CROSSREFS

Cf. A089710, A089711, A089560-A089573.

Sequence in context: A113616 A018800 A258337 * A010191 A064791 A074126

Adjacent sequences:  A089563 A089564 A089565 * A089567 A089568 A089569

KEYWORD

base,nonn

AUTHOR

Ray Chandler, Nov 22 2003

EXTENSIONS

Edited by Charles R Greathouse IV, Apr 29 2010

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 March 23 10:55 EDT 2019. Contains 321424 sequences. (Running on oeis4.)