

A054838


Fifth term of weak prime septet: p(m3)p(m4) < p(m2)p(m3) < p(m1)p(m2) < p(m)p(m1) < p(m+1)p(m) < p(m+2)p(m+1).


4



15401, 64951, 68227, 68917, 129001, 129011, 143537, 154111, 158029, 192407, 221737, 222437, 244493, 249763, 285343, 318701, 337301, 354391, 357883, 374219, 385417, 394747, 402601, 402613, 419623, 439199, 441953, 448421, 457421, 457697, 458219, 482527, 528001
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OFFSET

1,1


LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000


FORMULA

a(n) = A151800(A054837(n)) = A151799(A054839(n)), A151800 = nextprime, A151799 = prevprime; A054838 = { m = A054831(n)  m = nextprime(A054831(n1)) }.  M. F. Hasler, Oct 27 2018


MATHEMATICA

Select[Partition[Prime[Range[7000]], 7, 1], Min[Differences[#, 2]]>0&][[All, 5]] (* Harvey P. Dale, Oct 15 2016 *)


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: A252842 A261724 A031637 * A255148 A054839 A190928
Adjacent sequences: A054835 A054836 A054837 * A054839 A054840 A054841


KEYWORD

nonn


AUTHOR

Henry Bottomley, Apr 10 2000


EXTENSIONS

More terms from Harvey P. Dale, Oct 15 2016


STATUS

approved



