Cardinality of the shortcut set of the multiplicative group of integers modulo the n-th primorial.
A308665
Cardinality of the shortcut set of the multiplicative group of integers modulo the n-th primorial.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =48a(4) =384a(5) =2304a(6) =4608a(7) =18432a(8) =552960a(9) =19906560a(10) =796262400a(11) =33443020800a(12) =66886041600a(13) =267544166400a(14) =535088332800
External references
- oeis: A308665