T(n,k)=Number of length n arrays x(i), i=1..n with x(i) in i..i+k and no value appearing more than 2 times.

A250351

T(n,k)=Number of length n arrays x(i), i=1..n with x(i) in i..i+k and no value appearing more than 2 times.

Terms

    a(0) =2a(1) =3a(2) =4a(3) =4a(4) =9a(5) =8a(6) =5a(7) =16a(8) =26a(9) =16a(10) =6a(11) =25a(12) =62a(13) =75a(14) =32a(15) =7a(16) =36a(17) =122a(18) =235a(19) =216a(20) =64a(21) =8a(22) =49a(23) =212a(24) =581a(25) =888a(26) =622a(27) =128a(28) =9a(29) =64

External references