Number of primitive (aperiodic) words of length n which contain exactly five different symbols.
A056270
Number of primitive (aperiodic) words of length n which contain exactly five different symbols.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =120a(5) =1800a(6) =16800a(7) =126000a(8) =834120a(9) =5102880a(10) =29607600a(11) =165526200a(12) =901020120a(13) =4808987400a(14) =25292030280a(15) =131542740000a(16) =678330198120
External references
- oeis: A056270