Number of 2 X n 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three exactly once.
A269215
Number of 2 X n 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three exactly once.
Terms
- a(0) =0a(1) =96a(2) =768a(3) =6528a(4) =49536a(5) =360960a(6) =2546304a(7) =17563392a(8) =119091072a(9) =796813824a(10) =5274483840a(11) =34608512256a(12) =225420724608
External references
- oeis: A269215