Number of primitive (aperiodic) step shifted (decimated) sequences using a maximum of six different symbols.
A056385
Number of primitive (aperiodic) step shifted (decimated) sequences using a maximum of six different symbols.
Terms
- a(0) =6a(1) =30a(2) =120a(3) =720a(4) =2010a(5) =23820a(6) =46950a(7) =434700a(8) =1683450a(9) =15126810a(10) =36284466a(11) =547180200a(12) =1088416050a(13) =13060942950a(14) =58782162480a(15) =352913410080
External references
- oeis: A056385