Primes p such that p+/-2, p+/-4 and p+/-6 are semiprimes.

Terms

a(0) =6803a(1) =52163a(2) =67103a(3) =116009a(4) =155609a(5) =196613a(6) =242243a(7) =277703a(8) =523403a(9) =706987a(10) =764189a(11) =973853a(12) =1053863a(13) =1307197a(14) =1610333a(15) =1823797a(16) =1843687a(17) =1995337a(18) =2186603a(19) =2487367a(20) =2638747a(21) =2875643a(22) =2972663a(23) =3032693a(24) =3137399a(25) =3179107a(26) =3203243a(27) =3209797a(28) =3393809a(29) =3454201