|
| |
|
|
A108049
|
|
Integers n such that 10^n+43 is a prime number.
|
|
26
| | |
|
|
|
OFFSET
| 1,2
|
|
|
COMMENTS
| The next number in the sequence, if one exists is >39456. [From Robert Price (pamandbobprice(AT)yahoo.com), Mar 16 2010]
See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable/proven prime - search on "10043".
|
|
|
LINKS
| Makoto Kamada, List of near-repdigit-related prime numbers.
Index entries for primes involving repunits.
|
|
|
EXAMPLE
| n = 5 is 10^5+43 = 100043, which is prime.
|
|
|
MATHEMATICA
| Select[Range[2*10^3], PrimeQ[10^#+43]&] - Vladimir Orlovsky (4vladimir(AT)gmail.com), Apr 29 2008
|
|
|
CROSSREFS
| Cf. A049054, A088274, A088275.
Sequence in context: A183385 A054417 A080507 * A121141 A083232 A089303
Adjacent sequences: A108046 A108047 A108048 * A108050 A108051 A108052
|
|
|
KEYWORD
| more,nonn
|
|
|
AUTHOR
| Julien Peter Benney (jpbenney(AT)ftml.net), Jun 01 2005
|
|
|
EXTENSIONS
| a(7)=35393 from Robert Price (pamandbobprice(AT)yahoo.com), Mar 16 2010
Edited by Ray Chandler (rayjchandler(AT)sbcglobal.net), Dec 23 2010
|
| |
|
|
