Number of arrays of maxima of three adjacent elements of some length n+2 0..5 array.

A228458

Number of arrays of maxima of three adjacent elements of some length n+2 0..5 array.

Terms

    a(0) =6a(1) =36a(2) =161a(3) =581a(4) =1847a(5) =5615a(6) =17487a(7) =57303a(8) =194064a(9) =659418a(10) =2212695a(11) =7329603a(12) =24138450a(13) =79571792a(14) =263302273a(15) =873867641a(16) =2902730184a(17) =9635417630a(18) =31950864559a(19) =105883279595a(20) =350872561227

External references