The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A054807

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Fourth term of strong prime quartets: prime(m+1)-prime(m) > prime(m+2)-prime(m+1) > prime(m+3)-prime(m+2).
(history; published version)

#8 by N. J. A. Sloane at Sat Aug 28 12:22:03 EDT 2021

STATUS

editing

approved

#7 by N. J. A. Sloane at Sat Aug 28 12:22:01 EDT 2021

NAME

Fourth term of strong prime quartets: pprime(m-2+1)-pprime(m-3) > pprime(m-1+2)-pprime(m-2+1) > pprime(m+3)-pprime(m-1+2).

EXTENSIONS

Definition clarified by N. J. A. Sloane, Aug 28 2021.

STATUS

approved

editing

#6 by Susanna Cuyler at Sun Oct 28 09:09:32 EDT 2018

STATUS

proposed

approved

#5 by M. F. Hasler at Sat Oct 27 16:25:15 EDT 2018

STATUS

editing

proposed

#4 by M. F. Hasler at Sat Oct 27 16:25:02 EDT 2018

OFFSET

0,1,1

LINKS

M. F. Hasler, <a href="/A054807/b054807.txt">Table of n, a(n) for n = 1..10000</a>, Oct 27 2018

FORMULA

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

CROSSREFS

Cf. A051634, A051635; A054800- .. A054803: members of balanced prime quartets (= 4 consecutive primes in arithmetic progression); A054804 .. A054818: members of strong prime quartet, quintet, sextet; A054819 .. A054840: members of weak prime quartet, quintet, sextet, septets.

EXTENSIONS

Offset corrected to 1 by M. F. Hasler, Oct 27 2018

STATUS

approved

editing

#3 by Russ Cox at Fri Mar 30 18:51:25 EDT 2012

AUTHOR

_Henry Bottomley (se16(AT)btinternet.com), _, Apr 10 2000

Discussion

Fri Mar 30

18:51

OEIS Server: https://oeis.org/edit/global/247

#2 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003

KEYWORD

nonn,new

nonn

AUTHOR

Henry Bottomley (se16@(AT)btinternet.com), Apr 10 2000

#1 by N. J. A. Sloane at Mon May 08 03:00:00 EDT 2000

NAME

Fourth term of strong prime quartets: p(m-2)-p(m-3) > p(m-1)-p(m-2) > p(m)-p(m-1).

DATA

43, 73, 103, 229, 283, 313, 463, 491, 619, 643, 733, 761, 859, 883, 941, 1093, 1303, 1429, 1453, 1483, 1553, 1667, 1669, 1699, 1747, 1787, 1789, 1867, 1871, 1873, 1997, 1999, 2069, 2143, 2341, 2381, 2383, 2473, 2477, 2531, 2539, 2543, 2593, 2621, 2659

OFFSET

0,1

CROSSREFS

Cf. A051634, A054800-A054840.

KEYWORD

nonn

AUTHOR

Henry Bottomley (se16@btinternet.com), Apr 10 2000

STATUS

approved