Product of successive primes minus 2.

Terms

a(0) =4a(1) =13a(2) =33a(3) =75a(4) =141a(5) =219a(6) =321a(7) =435a(8) =665a(9) =897a(10) =1145a(11) =1515a(12) =1761a(13) =2019a(14) =2489a(15) =3125a(16) =3597a(17) =4085a(18) =4755a(19) =5181a(20) =5765a(21) =6555a(22) =7385a(23) =8631a(24) =9795a(25) =10401a(26) =11019a(27) =11661a(28) =12315a(29) =14349