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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A263499 Numbers with nondecreasing digits such that every cyclic shift is a prime. 2
2, 3, 5, 7, 11, 13, 17, 37, 79, 113, 199, 337, 3779, 1111111111111111111, 11111111111111111111111 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(16) is too big to display, see the b-file.

a(n) is the intersection of the sequences A068652 and A009994. A258706 is a subsequence.  Up until a(16) only the term 3779 is missing from A258706.

LINKS

Chai Wah Wu, Table of n, a(n) for n = 1..16

MATHEMATICA

fQ[n_] := Block[{d = IntegerDigits@ n}, And[d == Sort@ d, And @@ Table[PrimeQ@ FromDigits[d = RotateLeft@ d], {Length[d] - 1}]]]; Select[

Prime@ Range@ 600, fQ] (* Michael De Vlieger, Nov 12 2015, after T. D. Noe at A068652 *)

CROSSREFS

Cf. A068652, A009994, A258706.

Sequence in context: A120639 A141263 A016114 * A258706 A265408 A053434

Adjacent sequences:  A263496 A263497 A263498 * A263500 A263501 A263502

KEYWORD

nonn,base

AUTHOR

Chai Wah Wu, Nov 11 2015

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 July 16 04:26 EDT 2019. Contains 325064 sequences. (Running on oeis4.)