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A174194 10n-7 and 10n-3 are both primes. 0
1, 2, 5, 11, 17, 20, 23, 32, 47, 62, 65, 68, 83, 86, 89, 110, 122, 131, 143, 149, 167, 170, 179, 188, 200, 209, 221, 230, 248, 269, 284, 296, 317, 326, 335, 347, 362, 368, 380, 395, 401, 416, 452, 479, 482, 494, 524, 542, 551, 566, 593, 605, 674, 683, 725, 758 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A091653 A088348 A156004 * A174237 A181580 A118754
KEYWORD
nonn,easy
AUTHOR
EXTENSIONS
Corrected by Charles R Greathouse IV, Mar 21 2010
STATUS
approved

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Last modified April 23 11:07 EDT 2024. Contains 371905 sequences. (Running on oeis4.)