Numbers j such that ceiling(j^(1/k)) divides j for all integers k >= 1.
A261206
Numbers j such that ceiling(j^(1/k)) divides j for all integers k >= 1.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =6a(4) =12a(5) =36a(6) =132a(7) =144a(8) =156a(9) =900a(10) =3600a(11) =4032a(12) =7140a(13) =18360a(14) =44100a(15) =46440a(16) =4062240a(17) =9147600a(18) =999999000000
External references
- oeis: A261206