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%I #10 May 24 2012 12:32:54
%S 2,3,7,17,179,751,6121,12263,49123,393181,50331599,201326539,
%T 13194139533227,56668397794435742564203,1856910058928070412348686157,
%U 8769009823985417509222108996297698117935595257533,4597486622597666575075041081450927550856217366550806167
%N Primes of the form 3*2^n - 2*n - 1.
%C Generated by n = 0, 1, 2, 3, 6, 8, 11, 12, 14, 17, 24, 42, 74, 89, 161, 180,...
%F prime: A007283(n)-A005408(n).
%t Select[Table[3 2^n-2n-1,{n,0,200}],PrimeQ] (* _Harvey P. Dale_, May 24 2012 *)
%Y Cf. A005408, A007505, A007283.
%K nonn
%O 1,1
%A _Juri-Stepan Gerasimov_, Sep 21 2011
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