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A204813
Primes followed by a gap of 256 = nextprime(p)-p.
2
1872851947, 2362150363, 2394261637, 2880755131, 2891509333, 3353981623, 3512569873, 3727051753, 3847458487, 4008610423, 4486630573, 4541745583, 4755895531, 4837532347, 5227869607, 5389475977, 6201260587, 6229685347, 6952228483, 7325665111, 7414468513
OFFSET
1,1
PROG
(PARI) list_gaps(g=256, f, N=25, p=0)=for(c=1, N, while(g+p!=p=nextprime(p+1), ); if(f, write(f".txt", c" ", p-g), print1(", "p-g)))
KEYWORD
nonn
AUTHOR
M. F. Hasler, Jan 19 2012
EXTENSIONS
a(8)-a(21) from Washington Bomfim
STATUS
approved