a(n) = prime(n)*prime(n+2) mod prime(n+1).

Terms

a(0) =1a(1) =1a(2) =6a(3) =3a(4) =5a(5) =9a(6) =11a(7) =22a(8) =17a(9) =19a(10) =13a(11) =33a(12) =35a(13) =23a(14) =17a(15) =47a(16) =49a(17) =43a(18) =63a(19) =61a(20) =55a(21) =59a(22) =41a(23) =65a(24) =93a(25) =95a(26) =99a(27) =101a(28) =57a(29) =71