Numbers whose arithmetic derivative (A003415) is a primorial number (A002110) > 1.
A327978
Numbers whose arithmetic derivative (A003415) is a primorial number (A002110) > 1.
Terms
- a(0) =9a(1) =161a(2) =209a(3) =221a(4) =2189a(5) =2561a(6) =3281a(7) =3629a(8) =5249a(9) =5549a(10) =6401a(11) =7181a(12) =7661a(13) =8321a(14) =8909a(15) =9089a(16) =9869a(17) =10001a(18) =10349a(19) =10541a(20) =10961a(21) =11009a(22) =11021a(23) =29861a(24) =38981a(25) =52601a(26) =66149a(27) =84101a(28) =93029a(29) =97481
External references
- oeis: A327978