Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,3,4,1 for x=0,1,2,3,4.

A196208

Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,3,4,1 for x=0,1,2,3,4.

Terms

    a(0) =12a(1) =28a(2) =27a(3) =136a(4) =301a(5) =899a(6) =2922a(7) =7680a(8) =24326a(9) =71539a(10) =213378a(11) =637327a(12) =1919823a(13) =5779272a(14) =17262590a(15) =52036278a(16) =156828887a(17) =470650712a(18) =1416414013a(19) =4267310387a(20) =12839872102a(21) =38624812870a(22) =116319554088a(23) =350228413447

External references