OFFSET
1,1
COMMENTS
Primes counted without multiplicity. - Harvey P. Dale, May 05 2015
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
MATHEMATICA
Flatten[Position[Partition[PrimeNu[Range[300000]], 9, 1], _?(Length[ Union[ #]] == 1&), {1}, Heads->False]] (* Harvey P. Dale, May 05 2015 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Offset corrected by Amiram Eldar, Oct 26 2019
STATUS
approved