Number of -5..5 arrays x(0..n-1) of n elements with zero sum, adjacent elements differing by more than one, and elements alternately increasing and decreasing.
A200189
Number of -5..5 arrays x(0..n-1) of n elements with zero sum, adjacent elements differing by more than one, and elements alternately increasing and decreasing.
Terms
- a(0) =1a(1) =10a(2) =44a(3) =242a(4) =1298a(5) =7266a(6) =40632a(7) =231916a(8) =1320876a(9) =7630236a(10) =43951298a(11) =255926506a(12) =1485664226a(13) =8700154180a(14) =50792100530a(15) =298703878402
External references
- oeis: A200189