Number of primitive (aperiodic) word structures of length n using a 5-ary alphabet.
A056276
Number of primitive (aperiodic) word structures of length n using a 5-ary alphabet.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =13a(4) =51a(5) =196a(6) =854a(7) =3830a(8) =17997a(9) =86419a(10) =422004a(11) =2079260a(12) =10306751a(13) =51263086a(14) =255514299a(15) =1275160060a(16) =6368612301a(17) =31821454413a(18) =159042661904a(19) =795019250650
External references
- oeis: A056276