Number of n X 4 0..1 arrays with every element unequal to 0, 1, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.
A305772
Number of n X 4 0..1 arrays with every element unequal to 0, 1, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =65a(2) =292a(3) =1481a(4) =7528a(5) =38623a(6) =199257a(7) =1028731a(8) =5312551a(9) =27438472a(10) =141718596a(11) =731981431a(12) =3780735940a(13) =19527797880a(14) =100862667237a(15) =520964091619
External references
- oeis: A305772