|
|
A054834
|
|
First term of weak prime septet: p(m+1)-p(m) < p(m+2)-p(m+1) < p(m+3)-p(m+2) < p(m+4)-p(m+3) < p(m+5)-p(m+4) < p(m+6)-p(m+5).
|
|
2
|
|
|
15373, 64919, 68207, 68897, 128981, 128983, 143509, 154079, 157999, 192373, 221717, 222379, 244457, 249721, 285287, 318677, 337277, 354371, 357823, 374173, 385391, 394727, 402581, 402583, 419597, 439157, 441907, 448373, 457397, 457669, 458189, 482507, 527981, 529811, 577529, 582761, 655909
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
FORMULA
|
|
|
MATHEMATICA
|
Select[Partition[Prime[Range[54000]], 7, 1], Min[Differences[#, 2]]>0&][[All, 1]] (* Harvey P. Dale, Mar 16 2020 *)
|
|
CROSSREFS
|
Cf. A051635; A054800 .. A054803: members of balanced prime quartets (= consecutive primes in arithmetic progression); A054804 .. A054818: members of strong prime quartet, quintet, sextet; A054819 .. A054840: members of weak prime quartet, quintet, sextet, septets.
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|