Number of orbits of length n under the map whose periodic points are counted by A000984.
A060165
Number of orbits of length n under the map whose periodic points are counted by A000984.
Terms
- a(0) =2a(1) =2a(2) =6a(3) =16a(4) =50a(5) =150a(6) =490a(7) =1600a(8) =5400a(9) =18450a(10) =64130a(11) =225264a(12) =800046a(13) =2865226a(14) =10341150a(15) =37566720a(16) =137270954a(17) =504171432a(18) =1860277042a(19) =6892317200a(20) =25631327190a(21) =95640829922a(22) =357975249026
External references
- oeis: A060165