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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A038708 Primes of the form (k-th primorial) + (k+1)-st prime.

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%I A038708 #15 Mar 16 2020 11:39:16
%S A038708 5,11,37,30047,510529,9699713,13082761331670077,32589158477190044789,
%T A038708 1922760350154212639131,40729680599249024150621323549
%N A038708 Primes of the form (k-th primorial) + (k+1)-st prime.
%H A038708 Jinyuan Wang, <a href="/A038708/b038708.txt">Table of n, a(n) for n = 1..11</a>
%e A038708 k=6: 6th primorial 2*3*5*7*11*13 + prime(7) = 300030 + 17 = 30047 is a prime.
%t A038708 With[{nn=30},Select[Total/@Thread[{FoldList[Times,Prime[ Range[ nn]]],Prime[ Range[ 2,nn+1]]}],PrimeQ]] (* _Harvey P. Dale_, Oct 12 2018 *)
%Y A038708 Cf. A002110, A035346, A005235.
%K A038708 nonn
%O A038708 1,1
%A A038708 _Labos Elemer_, May 02 2000
%E A038708 Next term has 149 decimal digits.