Multiples of 7, k, such that k +/- 1 are twin primes.

Terms

a(0) =42a(1) =420a(2) =462a(3) =882a(4) =1050a(5) =1092a(6) =1302a(7) =1428a(8) =1722a(9) =1932a(10) =2142a(11) =2268a(12) =2310a(13) =2688a(14) =2730a(15) =3360a(16) =3528a(17) =3822a(18) =4158a(19) =4242a(20) =4788a(21) =5418a(22) =5502a(23) =5880a(24) =6090a(25) =6132a(26) =6300a(27) =6552a(28) =6762a(29) =7308