Number of nX4 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 or 2 neighboring 1s.
A296382
Number of nX4 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 or 2 neighboring 1s.
Terms
- a(0) =7a(1) =86a(2) =641a(3) =5389a(4) =46786a(5) =396806a(6) =3372222a(7) =28724880a(8) =244493344a(9) =2080775186a(10) =17710856679a(11) =150745976707
External references
- oeis: A296382