Number of n element 0..2 arrays with each element the minimum of 7 adjacent elements of a random 0..2 array of n+6 elements.

A217882

Number of n element 0..2 arrays with each element the minimum of 7 adjacent elements of a random 0..2 array of n+6 elements.

Terms

    a(0) =3a(1) =9a(2) =22a(3) =46a(4) =86a(5) =148a(6) =239a(7) =367a(8) =546a(9) =806a(10) =1212a(11) =1896a(12) =3107a(13) =5285a(14) =9166a(15) =15926a(16) =27386a(17) =46326a(18) =77008a(19) =126100a(20) =204345a(21) =329557a(22) =531883a(23) =862787a(24) =1409973a(25) =2321625a(26) =3845207a(27) =6389207a(28) =10621657a(29) =17628795

External references