A074321 - OEIS

%I #6 Mar 30 2012 17:26:02

%S 1,3,4,6,10,13,24,25,34,37,49,50,52,73,74,93,106,109,127,142,160,177,

%T 178,193,208,212,228,234,235,250,253,262,275,276,279,281,282,284,298,

%U 333,336,337,339,360,385,402,405,407,417,442,468,474,478,480,487

%N Numbers n such that n-th perfect power + n is prime: n + A001597(n) is prime.

%C Primes of the form n + A001597(n) in A075781.

%e n=3: pp(3)+3=8+3=11 is prime.

%Y Cf. A001597, A075781.

%K easy,nonn

%O 1,2

%A _Zak Seidov_, Oct 11 2002