%I #14 Sep 08 2022 08:46:07
%S -1,3,27,123,2043,8187,131067,524283,8388603,536870907,2147483643,
%T 137438953467,2199023255547,8796093022203,140737488355323,
%U 9007199254740987,576460752303423483,2305843009213693947,147573952589676412923,2361183241434822606843
%N 2^p - 5 where p is prime.
%H Vincenzo Librandi, <a href="/A241678/b241678.txt">Table of n, a(n) for n = 1..200</a>
%t Table[2^Prime[n] - 5, {n, 40}]
%o (Magma) [2^p-5: p in PrimesUpTo(100)];
%Y Cf. similar sequence listed in A241573.
%K sign
%O 1,2
%A _Vincenzo Librandi_, Apr 29 2014
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