Number of k <= P(n) such that gcd(k,P(n)) > 1, yet there is a prime q | k that does not divide P(n), where P(n) = A002110(n).
A363844
Number of k <= P(n) such that gcd(k,P(n)) > 1, yet there is a prime q | k that does not divide P(n), where P(n) = A002110(n).
Terms
- a(0) =0a(1) =0a(2) =0a(3) =5a(4) =95a(5) =1548a(6) =23110a(7) =413508a(8) =8020826a(9) =186514437a(10) =5447473481a(11) =169902931273
External references
- oeis: A363844