a(n) is the product of the first n numbers not divisible by 5.

A356858

a(n) is the product of the first n numbers not divisible by 5.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =6a(4) =24a(5) =144a(6) =1008a(7) =8064a(8) =72576a(9) =798336a(10) =9580032a(11) =124540416a(12) =1743565824a(13) =27897053184a(14) =474249904128

External references