Number of length 3+3 0..n arrays with no four consecutive terms having the maximum of any two terms equal to the minimum of the remaining two terms.

A250389

Number of length 3+3 0..n arrays with no four consecutive terms having the maximum of any two terms equal to the minimum of the remaining two terms.

Terms

    a(0) =6a(1) =146a(2) =1208a(3) =5848a(4) =20518a(5) =58114a(6) =141344a(7) =306816a(8) =609846a(9) =1129986a(10) =1977272a(11) =3299192a(12) =5288374a(13) =8190994a(14) =12315904a(15) =18044480a(16) =25841190a(17) =36264882a(18) =49980792a(19) =67773272a(20) =90559238a(21) =119402338a(22) =155527840a(23) =200338240a(24) =255429590a(25) =322608546

External references