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

A195973

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

Terms

    a(0) =4a(1) =14a(2) =24a(3) =36a(4) =67a(5) =134a(6) =240a(7) =432a(8) =803a(9) =1501a(10) =2764a(11) =5118a(12) =9519a(13) =17718a(14) =32927a(15) =61310a(16) =114257a(17) =213023a(18) =397223a(19) =741197a(20) =1383497a(21) =2583168a(22) =4824204a(23) =9012010a(24) =16838364a(25) =31466993a(26) =58813148a(27) =109939804a(28) =205534006a(29) =384287357

External references