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%I #13 Sep 08 2022 08:45:01
%S 24,36,48,54,66,78,84,90,96,114,120,126,132,144,156,162,168,174,186,
%T 204,210,216,222,234,246,252,258,264,276,288,294,300,306,318,324,330,
%U 336,342,354,360,366,372,378,384,390,396,402,408,414,426,438,444,450,456,468,474
%N Positive multiples of 6 which are not the midpoint of a pair of twin primes.
%o (Magma) [ n: n in [6..600 by 6] | not IsPrime(n-1) or not IsPrime(n+1) ]; // _Klaus Brockhaus_, Aug 18 2010
%o (PARI) forstep(n=6,600,6,if(!(isprime(n-1)&&isprime(n+1)),print1(n,","))) \\ _Klaus Brockhaus_, Aug 18 2010
%Y Cf. A067611 (sequence divided by 6).
%K nonn
%O 1,1
%A Stuart M. Ellerstein (ellerstein(AT)aol.com), May 19 2000
%E Corrected by _Zak Seidov_ and _Klaus Brockhaus_, Aug 18 2010
%E Edited by _N. J. A. Sloane_, Aug 19 2010
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