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phi(n) plus the n-th prime gives a cube.
0

%I #4 Apr 18 2023 14:47:43

%S 61,63,64,113,202,1331,1337,10249,10676,31003,103961,188865,195591,

%T 276541,310465,315916,396566,429441,433508,651267,862996,1029073,

%U 1099999,1792997,2346662,2525871,2717114,3728397,4270684,4547926

%N phi(n) plus the n-th prime gives a cube.

%e phi(202)+p(202) = 1331 = 11^3.

%K nonn

%O 1,1

%A _Giovanni Resta_, Feb 13 2006