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

1,3

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

Links

Table of n, a(n) for n=1..19.

Makoto Kamada, List of near-repdigit-related prime numbers.

Index entries for primes involving repunits.

Example

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

Crossrefs

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

Sequence in context: A083433 A083435 A163502 * A075401 A083145 A085920

Adjacent sequences: A110992 A110993 A110994 * A110996 A110997 A110998

Keyword

nonn,more

Author

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

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

Status

approved