Number of 2n-bead balanced binary strings of fundamental period 2n, rotationally inequivalent to reverse, complement and reversed complement.
A045666
Number of 2n-bead balanced binary strings of fundamental period 2n, rotationally inequivalent to reverse, complement and reversed complement.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =80a(6) =384a(7) =2352a(8) =9856a(9) =42840a(10) =169280a(11) =676720a(12) =2630688a(13) =10265216a(14) =39777248a(15) =154498200a(16) =599556096a(17) =2330826752a(18) =9068386320a(19) =35332969392a(20) =137817005440a(21) =538204062984
External references
- oeis: A045666