Numbers k for which 8*k+1, 8*k+5, 8*k+7 and 8*k+11 are primes.

Terms

a(0) =12a(1) =57a(2) =162a(3) =249a(4) =432a(5) =564a(6) =984a(7) =1734a(8) =2007a(9) =2427a(10) =2664a(11) =2784a(12) =3627a(13) =5307a(14) =5472a(15) =5727a(16) =6399a(17) =7614a(18) =11082a(19) =11547a(20) =11607a(21) =11694a(22) =14127a(23) =14274a(24) =14484a(25) =14862a(26) =15117a(27) =17049a(28) =19104a(29) =19422