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%I #20 Nov 26 2014 14:00:45
%S 2,3,5,7,17,23,41,47,73,79,89,97,113,137,167,193,223,233,257,281,313,
%T 353,359,401,409,433,439,449,457,521,577,593,601,617,727,761,809,839,
%U 857,929,953,977,1009,1087,1097,1193,1201,1217,1223,1361,1367,1433,1489,1553,1609,1697,1721
%N Primes of the form x^2 - 2^y.
%C Primes in A051204.
%e 17 is in this sequence because 17 = 5^2 - 2^3 = 7^2 - 2^5 = 9^2 - 2^6 = 23^2 - 2^9.
%Y Cf. A051204, A247763.
%K nonn
%O 1,1
%A _Juri-Stepan Gerasimov_, Oct 05 2014
%E a(54) corrected by _Charles R Greathouse IV_, Nov 26 2014
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