OFFSET
1,2
COMMENTS
No term is a multiple of 2, 3, or 5. The decimal expansion of each corresponding prime is n 4's with n's decimal expansion concatenated. Probable primes found by PrimeForm. Primes for 547 and 1187 proved by Primo. No more terms up to 30000.
EXAMPLE
The first term is 1 because 41 is prime.
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Rick L. Shepherd, Apr 11 2010
STATUS
approved