Number of 0..5 arrays x(0..n+1) of n+2 elements without any two consecutive increases or two consecutive decreases.
A200835
Number of 0..5 arrays x(0..n+1) of n+2 elements without any two consecutive increases or two consecutive decreases.
Terms
- a(0) =176a(1) =846a(2) =4108a(3) =19930a(4) =96690a(5) =469116a(6) =2276028a(7) =11042700a(8) =53576350a(9) =259938722a(10) =1261156090a(11) =6118806300a(12) =29686880836a(13) =144033141554a(14) =698811908924
External references
- oeis: A200835