Number of 0..n arrays x(0..7) of 8 elements without any two consecutive increases or two consecutive decreases.
A200843
Number of 0..n arrays x(0..7) of 8 elements without any two consecutive increases or two consecutive decreases.
Terms
- a(0) =256a(1) =4057a(2) =28610a(3) =132263a(4) =469116a(5) =1384813a(6) =3570086a(7) =8291391a(8) =17720746a(9) =35389651a(10) =66794740a(11) =120185585a(12) =207567842a(13) =345957699a(14) =558926356a(15) =878476037a(16) =1347291804a(17) =2021416213a(18) =2973396622a(19) =4295957731a(20) =6106254704a(21) =8550764993a(22) =11810879754
External references
- oeis: A200843