Number of length n arrays x(i), i=1..n with x(i) in i..i+4 and no value appearing more than 3 times.
A250357
Number of length n arrays x(i), i=1..n with x(i) in i..i+4 and no value appearing more than 3 times.
Terms
- a(0) =5a(1) =25a(2) =125a(3) =623a(4) =3094a(5) =15365a(6) =76300a(7) =378880a(8) =1881364a(9) =9342081a(10) =46388915a(11) =230348138a(12) =1143813376a(13) =5679703079a(14) =28203050974a(15) =140044659409a(16) =695403722139
External references
- oeis: A250357