Numbers k such that A003415(k) >= A276086(k) and gcd(k, A003415(k)) = gcd(k, A276086(k)), where A003415 is the arithmetic derivative, and A276086 is the primorial base exp-function.
A369959
Numbers k such that A003415(k) >= A276086(k) and gcd(k, A003415(k)) = gcd(k, A276086(k)), where A003415 is the arithmetic derivative, and A276086 is the primorial base exp-function.
Terms
- a(0) =6a(1) =30a(2) =210a(3) =214a(4) =2310a(5) =2313a(6) =2315a(7) =2317a(8) =2318a(9) =2342a(10) =2346a(11) =2370a(12) =2526a(13) =4622a(14) =4830a(15) =30030a(16) =30031a(17) =30033a(18) =30034a(19) =30035a(20) =30038a(21) =30041a(22) =30043a(23) =30046a(24) =30054a(25) =30061a(26) =30062a(27) =30066a(28) =30069a(29) =30074
External references
- oeis: A369959