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A102739
Numbers k such that 6*10^k-11 is prime.
0
9, 15, 21, 44, 58, 64, 96, 108, 138, 160, 222, 534, 2060, 2446, 3884, 8794, 9879, 18303
OFFSET
1,1
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
PROG
(PARI) is(n)=ispseudoprime(6*10^n-11) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
Sequence in context: A072572 A029708 A125215 * A124622 A189051 A374933
KEYWORD
nonn,more
AUTHOR
Tom Mueller (muel4503(AT)uni-trier.de), Feb 08 2005
EXTENSIONS
a(12)-a(14) from Klaus Brockhaus, Feb 16 2005
a(15)-a(18) from Michael S. Branicky, Jul 12 2023
STATUS
approved