Number of strings of length n over Z_5 with trace 1 and subtrace 0.
A073966
Number of strings of length n over Z_5 with trace 1 and subtrace 0.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =20a(4) =125a(5) =625a(6) =3150a(7) =15500a(8) =78000a(9) =390625a(10) =1955625a(11) =9768750a(12) =48831250a(13) =244125000a(14) =1220703125a(15) =6103515625a(16) =30517656250a(17) =152587500000a(18) =762939062500
External references
- oeis: A073966