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A107084
Integers k such that 10^k + 33 is prime.
1
1, 3, 6, 9, 10, 31, 47, 70, 281, 366, 519, 532, 775, 1566, 1627, 2247, 2653, 4381, 4571, 7513, 10581, 13239, 15393, 72267, 105515, 215802
OFFSET
1,2
COMMENTS
The next term, if it exists, is > 39546. - Robert Price, Aug 21 2010
See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable or proved primes - search on "10033".
a(26) > 3*10^5. - Robert Price, Oct 26 2023
EXAMPLE
For k = 3 we get 10^3 + 33 = 1000 + 33 = 1033, which is prime, so 3 is a term.
KEYWORD
nonn,more
AUTHOR
Julien Peter Benney (jpbenney(AT)ftml.net), Jun 08 2005
EXTENSIONS
a(20)-a(23) from Robert Price, Aug 21 2010
Edited by Ray Chandler, Dec 23 2010
a(24) from Robert Price, Jan 29 2011
a(26) from Robert Price, Oct 26 2023
a(25) from Kamada data by Tyler Busby, Apr 16 2024
STATUS
approved