Number of nX4 0..1 arrays with each 1 adjacent to 0, 2 or 4 king-move neighboring 1s.
A296721
Number of nX4 0..1 arrays with each 1 adjacent to 0, 2 or 4 king-move neighboring 1s.
Terms
- a(0) =8a(1) =57a(2) =258a(3) =1463a(4) =8315a(5) =44668a(6) =246923a(7) =1364492a(8) =7488185a(9) =41248981a(10) =227181202a(11) =1250158875a(12) =6882921586a(13) =37893304923a(14) =208596893793
External references
- oeis: A296721