Number of 7-ary sequences with primitive period n.
A218124
Number of 7-ary sequences with primitive period n.
Terms
- a(0) =1a(1) =7a(2) =42a(3) =336a(4) =2352a(5) =16800a(6) =117264a(7) =823536a(8) =5762400a(9) =40353264a(10) =282458400a(11) =1977326736a(12) =13841167200a(13) =96889010400a(14) =678222249264
External references
- oeis: A218124