Number of primitive (period n) step cyclic shifted sequences using a maximum of six different symbols.
A056423
Number of primitive (period n) step cyclic shifted sequences using a maximum of six different symbols.
Terms
- a(0) =6a(1) =15a(2) =50a(3) =210a(4) =456a(5) =4220a(6) =6960a(7) =57330a(8) =188810a(9) =1518558a(10) =3302916a(11) =45916780a(12) =83747280a(13) =933074430a(14) =3920355200a(15) =22075393725a(16) =62230996500a(17) =940379117630
External references
- oeis: A056423