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A085346 Least number x so that number of primes between sigma(x) and phi(x) equals n. 1

%I #7 Nov 19 2017 01:41:41

%S 3,2,4,6,10,14,12,26,18,34,28,32,24,62,44,30,123,40,36,64,56,106,54,

%T 48,70,66,146,105,88,78,80,135,60,178,72,102,202,112,84,164,114,90,96,

%U 154,695,231,138,108,184,1141,176,140,126,244,132,160,326,232,186,208,120

%N Least number x so that number of primes between sigma(x) and phi(x) equals n.

%F a(n) = Min{x; A085343(x) = n}.

%Y Cf. A000720, A000010, A000203, A070803, A070804, A085341-A085347.

%K nonn

%O 1,1

%A _Labos Elemer_, Jul 10 2003

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Last modified May 8 19:26 EDT 2024. Contains 372341 sequences. (Running on oeis4.)