T(n,k)=Number of length n+1 nonnegative integer arrays starting and ending with 0 with adjacent elements unequal but differing by no more than k.

A205341

T(n,k)=Number of length n+1 nonnegative integer arrays starting and ending with 0 with adjacent elements unequal but differing by no more than k.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =0a(4) =2a(5) =0a(6) =0a(7) =3a(8) =2a(9) =2a(10) =0a(11) =4a(12) =6a(13) =11a(14) =0a(15) =0a(16) =5a(17) =12a(18) =35a(19) =24a(20) =5a(21) =0a(22) =6a(23) =20a(24) =82a(25) =138a(26) =93a(27) =0a(28) =0a(29) =7

External references