Least common multiple of prime(n)-3 and prime(n)+3.

Terms

a(0) =5a(1) =0a(2) =8a(3) =20a(4) =56a(5) =80a(6) =140a(7) =176a(8) =260a(9) =416a(10) =476a(11) =680a(12) =836a(13) =920a(14) =1100a(15) =1400a(16) =1736a(17) =1856a(18) =2240a(19) =2516a(20) =2660a(21) =3116a(22) =3440a(23) =3956a(24) =4700a(25) =5096a(26) =5300a(27) =5720a(28) =5936a(29) =6380