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%I #11 Jul 14 2013 03:40:04
%S 2,33,57,62,142,201,253,302,501,542,745,877,878,913,921,1153,1198,
%T 1201,1477,1642,1942,1982,2041,2326,2362,2605,2973,3046,3226,3273,
%U 3326,3493,3517,3601,3646,3694,3733,3826,3865,3902,4054,4261,4273,4357,4414,4573
%N Numbers n such that prime(n) - sigma(n) - phi(n) = prime(n+1) - sigma(n+1) - phi(n+1), where sigma(n) = sum of divisors of n.
%o (PARI) isok(n) = (prime(n) - sigma(n) - eulerphi(n) == prime(n+1) - sigma(n+1) - eulerphi(n+1)) \\ _Michel Marcus_, Jul 14 2013
%Y Cf. A000040, A000203, A000010.
%K easy,nonn
%O 1,1
%A _Naohiro Nomoto_
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