Number of n X 3 0..1 arrays with each 1 adjacent to 1 or 3 king-move neighboring 1's.
A295938
Number of n X 3 0..1 arrays with each 1 adjacent to 1 or 3 king-move neighboring 1's.
Terms
- a(0) =3a(1) =15a(2) =41a(3) =120a(4) =465a(5) =1472a(6) =4667a(7) =16230a(8) =53266a(9) =173851a(10) =584543a(11) =1934414a(12) =6378634a(13) =21232506a(14) =70378723a(15) =232896476a(16) =772967540a(17) =2562676394a(18) =8490559710a(19) =28155930393a(20) =93345299815a(21) =309390211243
External references
- oeis: A295938