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A374414
Numbers k such that 6k+1, 6k+5, 6k+7, 6k+11, 6k+13 and 6k+17 are prime.
0
1, 16, 2676, 3236, 7296, 181876, 269306, 325726, 470451, 473321, 540556, 566701, 1000981, 1083931, 1197961, 1273561, 1343666, 1456856, 1754426, 1847806, 1944091, 2420091, 2468811, 2472451, 2476126, 2670971, 2682451, 3152746, 3199541, 3272341, 3300061, 3352036
OFFSET
1,2
COMMENTS
All terms are congruent to 1 (mod 5). - Peter Munn, Jul 12 2024
LINKS
Norman Luhn, The big database of the smallest prime k-tuplets, with a link to a compressed file with 10^6 terms of A022008.
FORMULA
a(n) = (A022008(n)-1)/6. - Michael S. Branicky, Jul 08 2024
MATHEMATICA
Select[Range[4*10^6], And @@ PrimeQ[6*# + {1, 5, 7, 11, 13, 17}] &] (* Amiram Eldar, Jul 08 2024 *)
CROSSREFS
Cf. A022008.
Sequence in context: A298197 A016876 A221253 * A123282 A091160 A049030
KEYWORD
nonn
AUTHOR
Hans Pleijsier, Jul 08 2024
STATUS
approved