Number of n X 2 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.
A196204
Number of n X 2 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) =3a(1) =5a(2) =8a(3) =11a(4) =18a(5) =28a(6) =43a(7) =67a(8) =105a(9) =164a(10) =257a(11) =404a(12) =636a(13) =1003a(14) =1585a(15) =2509a(16) =3978a(17) =6317a(18) =10046a(19) =15998a(20) =25509a(21) =40723a(22) =65083a(23) =104122a(24) =166737a(25) =267242a(26) =428678a(27) =688151a(28) =1105443a(29) =1776907
External references
- oeis: A196204