

A054805


Second term of strong prime quartets: prime(m+1)prime(m) > prime(m+2)prime(m+1) > prime(m+3)prime(m+2)..


5



37, 67, 97, 223, 277, 307, 457, 479, 613, 631, 719, 751, 853, 877, 929, 1087, 1297, 1423, 1447, 1471, 1543, 1657, 1663, 1693, 1733, 1777, 1783, 1847, 1861, 1867, 1987, 1993, 2053, 2137, 2333, 2371, 2377, 2459, 2467, 2503, 2521, 2531, 2579, 2609, 2647
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OFFSET

1,1


COMMENTS

Second member of pairs of consecutive primes in A051634 (strong primes).  M. F. Hasler, Oct 27 2018


LINKS

M. F. Hasler, Table of n, a(n) for n = 1..10000, Oct 27 2018


FORMULA

a(n) = nextprime(A054804(n))= prevprime(A054806(n)), nextprime = A151800, prevprime = A151799.  M. F. Hasler, Oct 27 2018


CROSSREFS

Cf. A051634, 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: A121764 A131499 A217659 * A141163 A063461 A105462
Adjacent sequences: A054802 A054803 A054804 * A054806 A054807 A054808


KEYWORD

nonn


AUTHOR

Henry Bottomley, Apr 10 2000


EXTENSIONS

Offset corrected to 1 by M. F. Hasler, Oct 27 2018
Definition clarified by N. J. A. Sloane, Aug 28 2021


STATUS

approved



