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A031925
Upper prime of a difference of 6 between consecutive primes.
27
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
OFFSET
1,1
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: A134100 A060769 A355161 * A325058 A107134 A139851
KEYWORD
nonn
AUTHOR
STATUS
approved