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Primes of the form -1+multiply perfect numbers.
3

%I #11 Aug 11 2014 22:45:25

%S 5,1379454719,14182439039,43861478399,51001180159,153003540479,

%T 403031236607,518666803199,275502900594021407,69357059049509038079,

%U 1161492388333469337599,1245087725796543283199,34384125938411324962897919,115131961034430181728489308159

%N Primes of the form -1+multiply perfect numbers.

%C The Prime Puzzles link defines left-perfect-primes to be -1+perfect number, and show that 5 is the only one.

%H Charles R Greathouse IV, <a href="/A094467/b094467.txt">Table of n, a(n) for n = 1..51</a>

%H Prime Puzzles, <a href="http://www.primepuzzles.net/puzzles/puzz_203.htm">Puzzle 203</a>.

%Y Cf. A007691, A061644, A094468.

%K nonn

%O 1,1

%A _Labos Elemer_, May 12 2004

%E a(6)-a(14) from _Charles R Greathouse IV_, Feb 08 2012