a(1)=1; a(n) = n*lcm(n, a(n-1)) for n > 1.
A192217
a(1)=1; a(n) = n*lcm(n, a(n-1)) for n > 1.
Terms
- a(0) =1a(1) =4a(2) =36a(3) =144a(4) =3600a(5) =21600a(6) =1058400a(7) =8467200a(8) =76204800a(9) =762048000a(10) =92207808000
External references
- oeis: A192217