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%I #14 Jan 21 2020 19:45:54
%S 0,2,4,8,10,12,18,20,22,24,30,32,34,40,44,48,50,52,58,62,64,68,72,74,
%T 78,88,90,92,100,102,108,110,114,120,122,124,130,134,138,142,144,150,
%U 152,160,164,172,178,180,188,190,198,200,202,204,208,212,218,222,228
%N Numbers n such that 3*n+7 is prime.
%D M. Cerasoli, F. Eugeni and M. Protasi, Elementi di Matematica Discreta, Bologna 1988.
%D Emanuele Munarini and Norma Zagaglia Salvi, Matematica Discreta,UTET, CittaStudiEdizioni, Milano 1997.
%H Daniel Starodubtsev, <a href="/A089953/b089953.txt">Table of n, a(n) for n = 1..10000</a>
%F a(n) = A034936(n)-1 = A024892(n)-2 = 2*A024899(n)-2.
%o (PARI) is(n)=isprime(3*n+7) \\ _Charles R Greathouse IV_, May 22 2017
%Y Cf. A002476 gives primes, A034936, A024892, A024899.
%K nonn
%O 1,2
%A _Giovanni Teofilatto_, Jan 12 2004
%E Offset corrected by _Arkadiusz Wesolowski_, Aug 09 2011
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