Number of length n arrays x(i), i=1..n with x(i) in i..i+7 and no value appearing more than 2 times.
A250350
Number of length n arrays x(i), i=1..n with x(i) in i..i+7 and no value appearing more than 2 times.
Terms
- a(0) =8a(1) =64a(2) =506a(3) =3935a(4) =30072a(5) =226247a(6) =1681860a(7) =12411486a(8) =91384716a(9) =671639928a(10) =4929577344a(11) =36146749703a(12) =264885341958
External references
- oeis: A250350