Numbers k such that k, k + 2, k + 4, k + 6, k + 8, k + 10, and k + 12 are all triprimes (A014612).

Terms

a(0) =151401a(1) =151403a(2) =151405a(3) =151407a(4) =179535a(5) =201085a(6) =247349a(7) =248411a(8) =250933a(9) =250935a(10) =292407a(11) =298433a(12) =322215a(13) =379761a(14) =441327a(15) =482691a(16) =482693a(17) =499907a(18) =508671a(19) =517427a(20) =584219a(21) =584221a(22) =586257a(23) =586259a(24) =605207a(25) =705055a(26) =705057a(27) =705059a(28) =718193a(29) =726563