GCD of n-th primorial number and its totient.

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =6a(5) =30a(6) =30a(7) =30a(8) =30a(9) =330a(10) =2310a(11) =2310a(12) =2310a(13) =2310a(14) =2310a(15) =53130a(16) =690690a(17) =20030010a(18) =20030010a(19) =20030010a(20) =20030010a(21) =20030010a(22) =20030010a(23) =821230410a(24) =821230410a(25) =821230410a(26) =821230410a(27) =13960916970a(28) =739928599410a(29) =739928599410