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%I #12 Jul 24 2014 10:53:31
%S 1,4,26,92,2102,23102,60062,510512,29099072,3792578792,84106011992,
%T 2005604901302,252305096583542,11561510014033982,52331045326680122,
%U 31359378912013061912,1792403716245452460152,98060777857864844592572,3401363059422802158514832
%N a(n) = ((prime(n)-1)!+2) mod prime(n)# (cf. A002110).
%C Smallest positive residue modulo p_1*...*p_n (cf. A002110) of (p_n-1)!+2, where p_n=prime(n).
%C See comment in A245460.
%H Jens Kruse Andersen, <a href="/A245457/b245457.txt">Table of n, a(n) for n = 1..100</a>
%H V. Shevelev, <a href="http://arXiv.org/abs/0912.4006">Theorems on twin primes-dual case</a>, arXiv:0912.4006 (Sections 10,11,14-18)
%o (PARI) a(n) = ((prime(n)-1)!+2) % prod(i=1, n, prime(i)) \\ _Jens Kruse Andersen_, Jul 22 2014
%Y Cf. A002110, A244570, A244571, A244572.
%K nonn
%O 1,2
%A _Vladimir Shevelev_, Jul 22 2014
%E More terms and simpler definition from _Jens Kruse Andersen_, Jul 22 2014