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

A267233

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

Terms

    a(0) =6a(1) =47a(2) =176a(3) =470a(4) =1030a(5) =1981a(6) =3472a(7) =5676a(8) =8790a(9) =13035a(10) =18656a(11) =25922a(12) =35126a(13) =46585a(14) =60640a(15) =77656a(16) =98022a(17) =122151a(18) =150480a(19) =183470a(20) =221606a(21) =265397a(22) =315376a(23) =372100a(24) =436150a(25) =508131a(26) =588672a(27) =678426a(28) =778070a(29) =888305

External references