Number of length n arrays x(i), i=1..n with x(i) in i..i+6 and no value appearing more than 3 times.
A250359
Number of length n arrays x(i), i=1..n with x(i) in i..i+6 and no value appearing more than 3 times.
Terms
- a(0) =7a(1) =49a(2) =343a(3) =2397a(4) =16700a(5) =115963a(6) =803382a(7) =5565230a(8) =38548644a(9) =266998350a(10) =1849229664a(11) =12807494729a(12) =88702171850a(13) =614332682800
External references
- oeis: A250359