A102739 Numbers k such that 6*10^k-11 is prime.

9, 15, 21, 44, 58, 64, 96, 108, 138, 160, 222, 534, 2060, 2446, 3884, 8794, 9879, 18303

Offset: 1

Author

Tom Mueller (muel4503(AT)uni-trier.de), Feb 08 2005

Keywords

• nonn
• more

Comments

Some of the larger entries may only correspond to probable primes.

Numbers corresponding to terms <= 534 are certified primes. - Klaus Brockhaus, Feb 16 2005

Programs

PARI

is(n)=ispseudoprime(6*10^n-11) \\ Charles R Greathouse IV, Jun 13 2017

Extensions

a(12)-a(14) from Klaus Brockhaus, Feb 16 2005

a(15)-a(18) from Michael S. Branicky, Jul 12 2023