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 A083366 Numbers n such that 7*11^n + 2 is prime. 0
 1, 3, 5, 9, 23, 65, 95, 129, 161, 341, 439, 771, 819, 1031, 1099, 1443, 1923, 5793 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Values corresponding to 5, 9, 23, 65, 95, 129, 161, 341, 439, 771, 819, 1031, 1099 and 1443 (1504 digits) have been certified prime with Primo. Values for 1923 (2004 digits) and 5793 (6034 digits) are probable primes. There are no other terms <= 6000. LINKS PROG (PARI) for(n=1, 6000, if(isprime(7*11^n+2), print1(n, ", "))) CROSSREFS Sequence in context: A089636 A241398 A262483 * A006722 A251413 A039774 Adjacent sequences:  A083363 A083364 A083365 * A083367 A083368 A083369 KEYWORD nonn AUTHOR Rick L. Shepherd, May 03 2003 STATUS approved

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Last modified January 19 05:21 EST 2019. Contains 319304 sequences. (Running on oeis4.)