OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
Krishna Alladi, The Green-Tao theorem resolves an important special case of the Erdos-Turan conjecture, The Hindu, December 25 2006.
EXAMPLE
Table starts:
7, 37, 67, 97, 127, 157;
107, 137, 167, 197, 227, 257;
359, 389, 419, 449, 479, 509;
...
MAPLE
i:=1:for k from 1 to 30000 do if isprime(k) and isprime(k+30)and isprime(k+60) and isprime(k+90) and isprime(k+120)and isprime(k+150) then a[i]:=k: a[i+1]:=k+30:a[i+2]:=k+60:a[i+3]:=k+90:a[i+4]:=k+120:a[i+5]:=k+150:i:=i+6 fi od: seq(a[n], n=1..i-1);
MATHEMATICA
Select[#+{0, 30, 60, 90, 120, 150}&/@Prime[Range[1500]], AllTrue[#, PrimeQ]&]//Flatten (* Harvey P. Dale, Sep 05 2023 *)
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Miklos Kristof, Sep 27 2006
STATUS
approved