Number of n X 3 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.
A302064
Number of n X 3 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =4a(1) =25a(2) =148a(3) =884a(4) =5296a(5) =31760a(6) =190528a(7) =1143104a(8) =6858496a(9) =41150720a(10) =246903808a(11) =1481421824a(12) =8888528896a(13) =53331169280a(14) =319987007488
External references
- oeis: A302064