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%I #11 Sep 08 2022 08:45:16
%S 3,45,90,180,255,258,363,378,453,483,615,675,705,873,885,978,1350,
%T 1533,1770,1788,2673,2793,2868,3030,3225,3240,4203,4290,4548,4830,
%U 4998,5103,5253,5295,5568,5775,5955,6060,6138,6870,7383,7713,8133,8370,8580,9000
%N Numbers n such that 4n-1, 8n-1 and 16n-1 are primes.
%e 4*3 - 1 = 11, 8*3 - 1 = 23 and 16*3 - 1 = 47 are primes, so the first entry is 3.
%o (Magma) [n: n in [0..10000] | IsPrime(4*n-1) and IsPrime(8*n-1) and IsPrime(16*n-1)]; // _Vincenzo Librandi_, Nov 17 2010
%Y Cf. A002515, A101791, A101792, A101793.
%K easy,nonn
%O 1,1
%A Douglas Stones (dssto1(AT)student.monash.edu.au), Dec 16 2004
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