|
|
A105550
|
|
Numbers n such that n/6 and prime(n)+/-n are all primes.
|
|
1
|
|
|
18, 42, 66, 282, 618, 1374, 1698, 2022, 2766, 2778, 2874, 3594, 3918, 5718, 6918, 7734, 9138, 9582, 9726, 10806, 11334, 11442, 14226, 14394, 14802, 15306, 16386, 17994, 20226, 20334, 21954, 25374, 27366, 27822
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
MATHEMATICA
|
Select[Range[6, 30000, 6], AllTrue[{#/6, Prime[#]+#, Prime[#]-#}, PrimeQ]&] (* Harvey P. Dale, Jan 14 2020 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|