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 A290243 Prime numbers of the form 3^k - 10. 1
 17, 71, 233, 719, 6551, 129140153, 387420479, 10460353193, 31381059599, 150094635296999111, 1350851717672992079, 36472996377170786393, 58149737003040059690390159, 523347633027360537213511511, 443426488243037769948249630619149892793 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Robert Price, Table of n, a(n) for n = 1..21 F. Firoozbakht, M. F. Hasler, Variations on Euclid's formula for Perfect Numbers,JIS 13 (2010) #10.3.1. Henri & Renaud Lifchitz, PRP Records OpenPFGW Project, Primality Tester FORMULA a(n) = 3^A217347(n) - 10. - Elmo R. Oliveira, Nov 09 2023 MATHEMATICA Select[Table[3^k - 10], {k, 3, 100}], PrimeQ[#] &] PROG (PARI) lista(nn) = for(n=3, nn, if(isprime(p=3^n-10), print1(p", "))); \\ Altug Alkan, Jul 24 2017 CROSSREFS Cf. A000040, A217347 (corresponding k's). Sequence in context: A157910 A141959 A347334 * A320895 A288748 A069496 Adjacent sequences: A290240 A290241 A290242 * A290244 A290245 A290246 KEYWORD nonn AUTHOR Robert Price, Jul 24 2017 STATUS approved

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Last modified August 11 20:46 EDT 2024. Contains 375073 sequences. (Running on oeis4.)