Number of 2n-bead balanced binary strings of fundamental period 2n, rotationally equivalent to complement.
A045663
Number of 2n-bead balanced binary strings of fundamental period 2n, rotationally equivalent to complement.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =6a(4) =16a(5) =30a(6) =60a(7) =126a(8) =256a(9) =504a(10) =1020a(11) =2046a(12) =4080a(13) =8190a(14) =16380a(15) =32730a(16) =65536a(17) =131070a(18) =262080a(19) =524286a(20) =1048560a(21) =2097018a(22) =4194300a(23) =8388606a(24) =16776960a(25) =33554400a(26) =67108860a(27) =134217216a(28) =268435440a(29) =536870910
External references
- oeis: A045663