Number of nX4 0..1 arrays with every element unequal to 0, 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
A317121
Number of nX4 0..1 arrays with every element unequal to 0, 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =65a(2) =302a(3) =1597a(4) =8598a(5) =46955a(6) =258241a(7) =1422755a(8) =7843425a(9) =43248130a(10) =238491830a(11) =1315207719a(12) =7253029882a(13) =39998826834a(14) =220584887411
External references
- oeis: A317121