|
|
A093343
|
|
Primes of form (prime(n)^2 + prime(n+1)^2)/2.
|
|
7
|
|
|
17, 37, 229, 2029, 14449, 22501, 25609, 28909, 32401, 42061, 57601, 72901, 116989, 176401, 181501, 265261, 304729, 324901, 378229, 462409, 497041, 695581, 804709, 1089961, 1299721, 1416109, 1664101, 1742401, 1932181, 1971241, 2712709, 2873029, 3062509, 3186229
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
Except for the first term, all terms == 1 mod 6. - Zak Seidov, Dec 02 2009
|
|
LINKS
|
|
|
FORMULA
|
|
|
MATHEMATICA
|
Select[Mean/@Partition[Prime[Range[500]]^2, 2, 1], PrimeQ] (* Harvey P. Dale, Jun 16 2021 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|