OFFSET
1,1
COMMENTS
The next term has 131 digits. - Harvey P. Dale, Jul 05 2021
LINKS
MATHEMATICA
Select[Table[FromDigits[PadLeft[{7}, n, 1]], {n, 50}], PrimeQ] (* Harvey P. Dale, Jul 05 2021 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Rick L. Shepherd, Mar 23 2004
STATUS
approved