a(n) is the product of first n even numbers not divisible by 5 (cf. A217562).
A383227
a(n) is the product of first n even numbers not divisible by 5 (cf. A217562).
Terms
- a(0) =1a(1) =2a(2) =8a(3) =48a(4) =384a(5) =4608a(6) =64512a(7) =1032192a(8) =18579456a(9) =408748032a(10) =9809952768a(11) =255058771968
External references
- oeis: A383227