A256377 Primes of the form 3p^4-4 with p prime.

239, 1871, 390959, 839519, 5622479, 10256399, 14639039, 60453359, 142374959, 188226719, 423474479, 1119903119, 7965713519, 9788425919, 16180741439, 22110152399, 28064855519, 28793774879, 36010838159, 43494981839, 44506450799

Offset

1,1

Comments

Corresponding values of p: 3,5,19,23,37,43,47,67,83,89,109,139,227,239,...

and indices of p's: 2,3,8,9,12,14,15,19,23,24,29,34,49,52,58,62,...

Links

Table of n, a(n) for n=1..21.

Mathematica

Select[Table[3p^4-4, {p, Prime[Range[100]]}], PrimeQ] (* Harvey P. Dale, Aug 26 2022 *)

Prog

(Magma) [3*p^4-4: p in PrimesUpTo(1000) | IsPrime(3*p^4-4)]; // Vincenzo Librandi, Mar 27 2015

Crossrefs

Sequence in context: A142854 A065098 A256378 * A201194 A065750 A201045

Adjacent sequences: A256374 A256375 A256376 * A256378 A256379 A256380

Keyword

nonn

Author

Zak Seidov, Mar 27 2015

Status

approved