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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
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
Sequence in context: A120639 A141263 A016114 * A258706 A265408 A053434
KEYWORD
nonn,base
AUTHOR
Chai Wah Wu, Nov 11 2015
STATUS
approved

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Last modified February 28 13:34 EST 2024. Contains 370400 sequences. (Running on oeis4.)