Number of length 3+1 0..n arrays with the sum of the minimum of each adjacent pair multiplied by some arrangement of +-1 equal to zero.

A250420

Number of length 3+1 0..n arrays with the sum of the minimum of each adjacent pair multiplied by some arrangement of +-1 equal to zero.

Terms

    a(0) =10a(1) =38a(2) =99a(3) =205a(4) =370a(5) =606a(6) =927a(7) =1345a(8) =1874a(9) =2526a(10) =3315a(11) =4253a(12) =5354a(13) =6630a(14) =8095a(15) =9761a(16) =11642a(17) =13750a(18) =16099a(19) =18701a(20) =21570a(21) =24718a(22) =28159a(23) =31905a(24) =35970a(25) =40366a(26) =45107a(27) =50205a(28) =55674a(29) =61526

External references