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A256377
Primes of the form 3p^4-4 with p prime.
2
239, 1871, 390959, 839519, 5622479, 10256399, 14639039, 60453359, 142374959, 188226719, 423474479, 1119903119, 7965713519, 9788425919, 16180741439, 22110152399, 28064855519, 28793774879, 36010838159, 43494981839, 44506450799
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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
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Last modified March 29 06:15 EDT 2024. Contains 371265 sequences. (Running on oeis4.)