Number of length-n 0..4 arrays with no repeated value greater than or equal to the previous repeated value.

A269405

Number of length-n 0..4 arrays with no repeated value greater than or equal to the previous repeated value.

Terms

    a(0) =5a(1) =25a(2) =120a(3) =570a(4) =2670a(5) =12380a(6) =56890a(7) =259445a(8) =1175355a(9) =5293671a(10) =23718780a(11) =105781845a(12) =469798125a(13) =2078552055a(14) =9164402118a(15) =40277785365a(16) =176503698495a(17) =771372344695

External references