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%I #12 Mar 25 2015 19:00:56
%S 2,5,7,23,33,51,65,97,99,111,115,133,137,141,143,161,171,175,177,199,
%T 207,237,241,253,271,273,275,287,309,313,315,337,387,417,423,429,435,
%U 481,507,513,541,543,557,561,589,591,613,625,631,639,651,661,677,679,727,745,769,773,777,789
%N a(n) = sqrt(2*A256246(n) + prime(A256246(n))).
%C Except for the first term, 2, all terms are odd.
%H Zak Seidov, <a href="/A256247/b256247.txt">Table of n, a(n) for n = 1..252</a>
%e a(1) = 2 = sqrt(2*A256246(1) + prime(A256246(1))) = sqrt(2*1 + prime(1)) = sqrt(2*1+2) = sqrt(4),
%e a(2) = 5 = sqrt(2*6 + prime(6)) = sqrt(2*6+13) = sqrt(25).
%Y Cf. A000040 (primes), A256246.
%K nonn
%O 1,1
%A _Zak Seidov_, Mar 20 2015
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