Distinct values of GCD of divisor sum of primorials and primorial itself: gcd(A002110(n), A000203(A002110(n))).
A054642
Distinct values of GCD of divisor sum of primorials and primorial itself: gcd(A002110(n), A000203(A002110(n))).
Terms
- a(0) =1a(1) =6a(2) =42a(3) =210a(4) =3990a(5) =43890a(6) =1360590a(7) =23130030a(8) =855811110a(9) =11125544430a(10) =255887521890
External references
- oeis: A054642