OFFSET
1,1
COMMENTS
Primes of the form 888...881.
The number of 8's in each term is given by the corresponding term of A056664 and so the first term too large to include above is 888...8881 (with 138 8's).
Primes of the form (8*10^k - 71)/9. - Vincenzo Librandi, Nov 16 2010
LINKS
MATHEMATICA
Select[Table[10 FromDigits[PadRight[{}, n, 8]]+1, {n, 150}], PrimeQ] (* Harvey P. Dale, Aug 07 2019 *)
CROSSREFS
KEYWORD
bref,nonn
AUTHOR
Rick L. Shepherd, Mar 02 2004
STATUS
approved