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 A352046 Primes of the form (5*4^k + 1)/3. 0
 2, 7, 107, 6827, 27962027, 1789569707, 114532461227, 7870610804782742022827, 37167908664217705235892863787747269176634027, 9743344248872686121357898884775220131039550286507, 623574031927851911766905528625614088386531218336427, 46011642311937091916231705748513503016340726481135910367750161491995307 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Primes in A136412. LINKS Table of n, a(n) for n=1..12. FORMULA { A000040 } intersect { A136412 }. EXAMPLE 107 is a term because it is a prime and (5*4^3 + 1)/3 = 107. MAPLE select(isprime, [(5*4^k+1)/3\$k=0..120])[]; # Alois P. Heinz, Mar 01 2022 CROSSREFS Cf. A000040, A136412. Sequence in context: A162634 A235470 A072664 * A045310 A224445 A000157 Adjacent sequences: A352043 A352044 A352045 * A352047 A352048 A352049 KEYWORD nonn AUTHOR Patrick N. Valdivia, Mar 01 2022 STATUS approved

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Last modified December 10 00:12 EST 2023. Contains 367696 sequences. (Running on oeis4.)