Number of n X 4 0..1 arrays with each 1 adjacent to 1 or 3 king-move neighboring 1's.
A295939
Number of n X 4 0..1 arrays with each 1 adjacent to 1 or 3 king-move neighboring 1's.
Terms
- a(0) =4a(1) =33a(2) =120a(3) =534a(4) =2976a(5) =13759a(6) =65009a(7) =325008a(8) =1565481a(9) =7539236a(10) =36795842a(11) =178342390a(12) =863486059a(13) =4193371665a(14) =20339714386a(15) =98614688025a(16) =478433693926
External references
- oeis: A295939