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Primes of the form 2^n+2*n-3.
4

%I #17 Mar 30 2012 18:52:45

%S 5,11,73,139,269,1048613,67108913,134217779,4294967357,549755813963,

%T 9223372036854775931,2417851639229258349412511,

%U 316912650057057350374175801537,2596148429267413814265248164610267

%N Primes of the form 2^n+2*n-3.

%C Generated by n = 2, 3, 6, 7, 8, 20, 26, 27, 32, 39, 63, 81, 98, 111,...

%Y Cf. A163115.

%K nonn

%O 1,1

%A _Juri-Stepan Gerasimov_, Jul 03 2011