Number of step cyclic shifted sequences using exactly five different symbols.
A056418
Number of step cyclic shifted sequences using exactly five different symbols.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =6a(5) =150a(6) =400a(7) =4080a(8) =15480a(9) =127818a(10) =269340a(11) =3493680a(12) =5777190a(13) =57262450a(14) =210945182a(15) =1030388115a(16) =2493913170a(17) =32176448060a(18) =51785999300a(19) =562228325904
External references
- oeis: A056418