Number of primitive (aperiodic) word structures of length n which contain exactly six different symbols.
A056282
Number of primitive (aperiodic) word structures of length n which contain exactly six different symbols.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =21a(7) =266a(8) =2646a(9) =22827a(10) =179487a(11) =1323651a(12) =9321312a(13) =63436352a(14) =420693273a(15) =2734926292a(16) =17505749898a(17) =110687248392a(18) =693081601779
External references
- oeis: A056282