A110995 Integers k such that 6*10^k + 41 is a prime number.

0, 1, 2, 4, 6, 8, 50, 54, 102, 134, 212, 872, 3055, 3427, 3528, 4262, 4414, 6084, 93792

Offset: 1

Author

Julien Peter Benney (jpbenney(AT)ftml.net), Oct 04 2005

Keywords

• nonn
• more

Comments

See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable or proved primes - search on "60041".

a(20) > 10^5. - Robert Price, Jan 19 2017

Examples

			k = 4 is a term because 6*10^4 + 41 = 6*10000 + 41 = 60000 + 41 = 60041, which is a prime number.
		

Links

• Makoto Kamada, List of near-repdigit-related prime numbers.
• Index entries for primes involving repunits.

Crossrefs

Cf. A049054, A088274, A088275, A095688, A107083, A108049, A108050, A108052, A108054.

Extensions

a(18) from Ray Chandler, Dec 23 2010

a(1)-a(2) prepended by Robert Price, Jan 19 2017

a(19) from Robert Price, Jan 19 2017