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A031925 Upper prime of a difference of 6 between consecutive primes. 25
29, 37, 53, 59, 67, 79, 89, 137, 157, 163, 173, 179, 239, 257, 263, 269, 277, 337, 359, 373, 379, 389, 439, 449, 509, 547, 563, 569, 577, 593, 599, 607, 613, 653, 659, 683, 733, 739, 757, 947, 953, 977, 983, 997, 1019, 1039, 1069, 1103, 1109 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000

Index entries for primes, gaps between

MAPLE

for i from 1 to 186 do if ithprime(i+1) = ithprime(i) + 6 then print({ithprime(i+1)}); fi; od; # Zerinvary Lajos, Mar 19 2007

PROG

(PARI) is(n)=nextprime(n-5)==n && isprime(n-6) \\ Charles R Greathouse IV, Apr 29 2015

CROSSREFS

Cf. A031924.

Sequence in context: A234973 A134100 A060769 * A325058 A107134 A139851

Adjacent sequences:  A031922 A031923 A031924 * A031926 A031927 A031928

KEYWORD

nonn

AUTHOR

Jeff Burch

STATUS

approved

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Last modified December 4 19:40 EST 2021. Contains 349526 sequences. (Running on oeis4.)