Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 neighboring 1s.
A297436
Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 neighboring 1s.
Terms
- a(0) =1a(1) =9a(2) =163a(3) =513a(4) =1673a(5) =11345a(6) =76692a(7) =369339a(8) =1884628a(9) =11192445a(10) =65443804a(11) =363190352a(12) =2054756012a(13) =11932452996a(14) =69055517021a(15) =397129636069
External references
- oeis: A297436