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 A141102 a(n) = prime(2^n) - n^2. 0

%I #8 Mar 08 2019 03:30:23

%S 2,3,10,37,106,275,670,1555,3590,8061,17742,38729,83848,180307,385868,

%T 821385,1742248,3680807,7753716,16289647,34135588,71378085,148947610,

%U 310247665

%N a(n) = prime(2^n) - n^2.

%e a(1) = prime(2^1) - 1^2 = prime(2) - 1 = 3 - 1 = 2;

%e a(4) = prime(2^4) - 4^2 = prime(16) - 16 = 53 - 16 = 37.

%p seq(ithprime(2^n)-n^2,n=1..24); # _Emeric Deutsch_, Aug 07 2008

%Y Cf. A033844 (prime(2^n)).

%K nonn

%O 1,1

%A _Juri-Stepan Gerasimov_, Jul 31 2008

%E Corrected and extended by _Emeric Deutsch_, Aug 07 2008

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Last modified July 20 23:17 EDT 2024. Contains 374461 sequences. (Running on oeis4.)