Products of three consecutive primes of the form 6n+1 (see A002476).

Terms

a(0) =1729a(1) =7657a(2) =21793a(3) =49321a(4) =97051a(5) =175741a(6) =298351a(7) =386389a(8) =559399a(9) =789289a(10) =1089019a(11) =1425829a(12) =1924177a(13) =2665603a(14) =3295273a(15) =3864241a(16) =4631971a(17) =5694079a(18) =6951667a(19) =8103877a(20) =9363547a(21) =10775137a(22) =12307147a(23) =14956219a(24) =18091147a(25) =21243961a(26) =24066037