A023336 Primes that remain prime through 5 iterations of function f(x) = 3x + 4.
34613, 165443, 321053, 363403, 474143, 496333, 528673, 631853, 834503, 957563, 1199623, 1274803, 1817093, 1918733, 2063423, 2611663, 2889703, 3224233, 3652703, 3697433, 3824413, 3852973, 4655873, 4708793, 5089943, 5508263, 5937853, 6067073
Offset: 1
Keywords
Links
- John Cerkan, Table of n, a(n) for n = 1..10000
Programs
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Magma
[n: n in [1..25000000] | IsPrime(n) and IsPrime(3*n+4) and IsPrime(9*n+16) and IsPrime(27*n+52) and IsPrime(81*n+160) and IsPrime(243*n+484)] // Vincenzo Librandi, Aug 05 2010
Formula
a(n) == 33 (mod 70). - John Cerkan, Oct 10 2016
Comments