%I #14 Feb 23 2024 07:33:10
%S 5,12,24,36,52,68,84,100,120,138,152,172,198,210,222,258,276,300,320,
%T 340,360,384,396,434,456,472,492,520,540,558,576,618,630,668,696,712,
%U 740,762,786,810,840,864,882,906,924,946,978,1002,1030,1064,1104,1132
%N a(n) = prime(2n-1) + prime(2n).
%H G. C. Greubel, <a href="/A100479/b100479.txt">Table of n, a(n) for n = 1..10000</a>
%H C. Caldwell <a href="https://t5k.org/lists/">Lists of small primes</a>.
%F a(n) = A001043(2n-1). - _R. J. Mathar_, Apr 20 2009
%F a(n) = A031368(n) + A031215(n). - _G. C. Greubel_, Apr 05 2023
%t Total/@Partition[Prime[Range[110]],2] (* _Harvey P. Dale_, Apr 20 2016 *)
%o (Magma) [(&+[NthPrime(2*n+j-1): j in [0..1]]): n in [1..70]]; // _G. C. Greubel_, Apr 05 2023
%o (SageMath) [sum(nth_prime(2*n+j-1) for j in range(2)) for n in range(1, 71)] # _G. C. Greubel_, Apr 05 2023
%Y Cf. A000040, A001043, A031215, A031368.
%K nonn
%O 1,1
%A Jun Mizuki (suzuki32(AT)sanken.osaka-u.ac.jp), Nov 22 2004
|