Number of 4Xn 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302370
Number of 4Xn 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =3a(2) =109a(3) =77a(4) =918a(5) =3125a(6) =21831a(7) =125193a(8) =824459a(9) =5383504a(10) =35779184a(11) =240480550a(12) =1615536651a(13) =10916466595a(14) =73707212142a(15) =498626574631
External references
- oeis: A302370