login
A054840
Seventh term of weak prime septet: p(m-5)-p(m-6) < p(m-4)-p(m-5) < p(m-3)-p(m-4) < p(m-2)-p(m-3) < p(m-1)-p(m-2) < p(m)-p(m-1).
41
15427, 64997, 68261, 68947, 129023, 129037, 143567, 154153, 158071, 192461, 221773, 222493, 244529, 249797, 285421, 318737, 337327, 354421, 357967, 374287, 385471, 394787, 402631, 402691, 419687, 439253, 442003, 448519, 457459, 457739, 458309, 482569, 528041, 529927, 577589, 582809
OFFSET
1,1
LINKS
FORMULA
a(n) = nextprime(A054839), nextprime = A151800;
A054840 = { A054833(n) | A054833(n) = nextprime(A054833(n-1)) }. - M. F. Hasler, Oct 27 2018
MATHEMATICA
Select[Partition[Prime[Range[50000]], 7, 1], Min[Differences[#, 2]]>0&][[;; , 7]] (* Harvey P. Dale, Aug 25 2024 *)
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.
Sequence in context: A190928 A345584 A345841 * A210058 A154091 A246912
KEYWORD
nonn
AUTHOR
Henry Bottomley, Apr 10 2000
EXTENSIONS
Edited and more terms from M. F. Hasler, Oct 27 2018
STATUS
approved