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%I #4 Mar 31 2012 13:20:36
%S 2,7,311,127,23,157,7563707819165039903,75368484119,47,9629,311,25679,
%T 821,758771382833029,12409,71233,18438666190697,2443783,2939291,71711,
%U 352883,181113265579,167,105199,3881,1314520253,619,20759,117503,1162660843
%N Quotients A128452(p+1)/p for prime p = A000040(n).
%C a(n) coincides with A128357(n) from n = 2 up to n = 6.
%F a(n) = A128452(A000040(n)+1)/A000040(n).
%F a(n) = A020639(((p+1)^p - 1)/p^2), i.e., the smallest prime factor of ((p+1)^p - 1)/p^2, where p = A000040(n).
%Y Cf. A128452, A128357, A128356, A127103, A127104, A127105, A127106, A127107, A127102, A127101, A127100, A127092, A128393, A128394, A128395, A128396, A128397, A128398, A128399, A128400, A128401, A128402, A128403, A128404.
%K nonn
%O 1,1
%A _Alexander Adamchuk_, Mar 05 2007, Mar 09 2007
%E Terms a(14) onward from _Max Alekseyev_, May 05 2010
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