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A200954 Primes of the form 7n^3-9. 1

%I

%S 47,439,6991,28663,74527,447991,596279,1834999,3859567,5814079,

%T 7874039,8337103,15378991,20043007,21784943,24582647,51109679,

%U 55999991,101687479,163755583,170722991,233703727,300124991,337599799,468463903

%N Primes of the form 7n^3-9.

%H Vincenzo Librandi, <a href="/A200954/b200954.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Table[7n^3-9,{n,2,4000}],PrimeQ]

%o (MAGMA) [a: n in [2..500] | IsPrime(a) where a is 7*n^3-9]

%K nonn,easy

%O 1,1

%A _Vincenzo Librandi_, Nov 26 2011

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Last modified May 20 23:05 EDT 2022. Contains 353886 sequences. (Running on oeis4.)