a(n) = floor((Product_{k=1..n-1} prime(k))/prime(n)).
A126147
a(n) = floor((Product_{k=1..n-1} prime(k))/prime(n)).
Terms
- a(0) =0a(1) =0a(2) =1a(3) =4a(4) =19a(5) =177a(6) =1766a(7) =26868a(8) =421725a(9) =7692857a(10) =208699781a(11) =5420553787a(12) =180993613044
External references
- oeis: A126147