The 3-almost primeth recurrence: a(0) = 1, a(n+1) = 3-almostprime(a(n)) = A014612(a(n)).
A119965
The 3-almost primeth recurrence: a(0) = 1, a(n+1) = 3-almostprime(a(n)) = A014612(a(n)).
Terms
- a(0) =1a(1) =8a(2) =42a(3) =174a(4) =705a(5) =2764a(6) =10772a(7) =41967a(8) =164793a(9) =654242a(10) =2634801a(11) =10787937a(12) =44983894a(13) =191249703a(14) =829651874a(15) =3673967785a(16) =16612478231a(17) =76708135651a(18) =361707435767
External references
- oeis: A119965