(Product of all composite numbers from 1 to n)/ ( product of the prime divisors of all composite numbers up to n). More precisely, denominator = product of the largest squarefree divisors of composite numbers up to n.
A085056
(Product of all composite numbers from 1 to n)/ ( product of the prime divisors of all composite numbers up to n). More precisely, denominator = product of the largest squarefree divisors of composite numbers up to n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =2a(6) =2a(7) =8a(8) =24a(9) =24a(10) =24a(11) =48a(12) =48a(13) =48a(14) =48a(15) =384a(16) =384a(17) =1152a(18) =1152a(19) =2304a(20) =2304a(21) =2304a(22) =2304a(23) =9216a(24) =46080a(25) =46080a(26) =414720a(27) =829440a(28) =829440a(29) =829440
External references
- oeis: A085056