Product of the first n 4-almost primes, divided by product of the first n primes, rounded down.
A122093
Product of the first n 4-almost primes, divided by product of the first n primes, rounded down.
Terms
- a(0) =8a(1) =64a(2) =460a(3) =2633a(4) =12926a(5) =55682a(6) =196527a(7) =837826a(8) =3059886a(9) =9285173a(10) =26956956a(11) =72856639a(12) =184807084a(13) =541527736a(14) =1520886410a(15) =3873955950a(16) =8929796766a(17) =20494615529a(18) =45883467602a(19) =98229395430a(20) =209914872426a(21) =488915652233
External references
- oeis: A122093