Number of length n+1 nonnegative integer arrays starting and ending with 0 with adjacent elements unequal but differing by no more than 5.
A205338
Number of length n+1 nonnegative integer arrays starting and ending with 0 with adjacent elements unequal but differing by no more than 5.
Terms
- a(0) =0a(1) =5a(2) =20a(3) =160a(4) =1130a(5) =8927a(6) =71630a(7) =594405a(8) =5025740a(9) =43243674a(10) =377127756a(11) =3327001441a(12) =29634744950a(13) =266164547110
External references
- oeis: A205338