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%I #19 Jan 12 2019 20:18:26
%S 5,51,585,95325,1290555,252645135,3616814565,764877654105,
%T 2484744621997515,37191016277640225,127631526564044465235,
%U 29485995600356809139175,449832863112420158030205
%N Fermat quotients for base 4: (4^(p - 1) - 1)/p, where p = prime(n).
%p A180511:= n-> map (p-> (4^(p-1)-1)/p, ithprime(n)):
%p seq (A180511(n), n=2..20); # _Peter Luschny_, Jan 21 2010
%t Table[(4^(Prime[n] - 1) - 1)/Prime[n], {n, 2, 20}] (* _Alonso del Arte_, Jan 20 2011 *)
%Y Cf. A007663, A146211.
%K nonn
%O 2,1
%A _Jani Melik_, Jan 20 2011
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