Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,2,4,1 for x=0,1,2,3,4.
A196450
Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,2,4,1 for x=0,1,2,3,4.
Terms
- a(0) =3a(1) =6a(2) =14a(3) =30a(4) =67a(5) =146a(6) =320a(7) =706a(8) =1550a(9) =3403a(10) =7481a(11) =16443a(12) =36131a(13) =79399a(14) =174500a(15) =383499a(16) =842796a(17) =1852205a(18) =4070612a(19) =8945988a(20) =19660603a(21) =43208249a(22) =94959144a(23) =208692464a(24) =458645240a(25) =1007969053a(26) =2215223460a(27) =4868418432a(28) =10699372182a(29) =23514119454
External references
- oeis: A196450