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A135115
Integers k such that 10^k + 63 is a prime number.
1
1, 2, 3, 11, 12, 37, 42, 64, 101, 131, 170, 366, 404, 771, 1454, 1696, 4415, 5208, 9027, 10978, 11264, 11651, 14432, 20655, 28220, 34623, 62523, 63986
OFFSET
1,2
COMMENTS
If another term exists it is > 100000. - Robert Price, Apr 25 2011
See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable or proved primes - search on "10063".
EXAMPLE
3 is a term because 10^3 + 63 = 1000 + 63 = 1063, which is prime.
MATHEMATICA
Select[Range[2000], PrimeQ[10^#+63]&] (* Harvey P. Dale, Jul 24 2009 *)
KEYWORD
nonn,more
AUTHOR
Julien Peter Benney (jpbenney(AT)gmail.com), Feb 12 2008
EXTENSIONS
Two additional terms from Harvey P. Dale, Jul 24 2009
One more term from Robert Price, Mar 22 2010
Eight more terms from Robert Price, Aug 14 2010
Edited by Ray Chandler, Dec 23 2010
a(27)=62523, a(28)=63986 from Robert Price, Jan 29 2011
STATUS
approved