Number of (n+1) X (7+1) 0..3 arrays with every 2 X 2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 9.
A234139
Number of (n+1) X (7+1) 0..3 arrays with every 2 X 2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 9.
Terms
- a(0) =9216a(1) =9992a(2) =11336a(3) =14120a(4) =19368a(5) =30632a(6) =53288a(7) =104744a(8) =214056a(9) =481832a(10) =1079336a(11) =2667560a(12) =6361128a(13) =16893992a(14) =42139688a(15) =117796904a(16) =302637096a(17) =873644072a(18) =2284036136a(19) =6715433000a(20) =17725595688a(21) =52630822952a(22) =139620917288a(23) =416680321064
External references
- oeis: A234139