Number of (n+1) X (2+1) 0..2 arrays colored with the upper median value of each 2 X 2 subblock.
A235948
Number of (n+1) X (2+1) 0..2 arrays colored with the upper median value of each 2 X 2 subblock.
Terms
- a(0) =294a(1) =722a(2) =1372a(3) =2660a(4) =5034a(5) =9752a(6) =18468a(7) =35794a(8) =67924a(9) =131474a(10) =251786a(11) =485354a(12) =926434a(13) =1789970a(14) =3433586a(15) =6602990a(16) =12649018a(17) =24390182a(18) =46809866a(19) =89947622a(20) =172622482a(21) =332388566a(22) =638104130a(23) =1225937510a(24) =2354814226a(25) =4530138566
External references
- oeis: A235948