Number of arrays of maxima of three adjacent elements of some length n+2 0..4 array.

A228457

Number of arrays of maxima of three adjacent elements of some length n+2 0..4 array.

Terms

    a(0) =5a(1) =25a(2) =95a(3) =295a(4) =821a(5) =2227a(6) =6254a(7) =18394a(8) =55285a(9) =165563a(10) =489488a(11) =1433536a(12) =4188613a(13) =12268735a(14) =36052642a(15) =106118146a(16) =312319987a(17) =918413167a(18) =2698818913a(19) =7929048609a(20) =23298823959a(21) =68477103061a(22) =201284983126a(23) =591668573686

External references