Number of n X 3 binary matrices with no two 1's adjacent diagonally or antidiagonally.
A181207
Number of n X 3 binary matrices with no two 1's adjacent diagonally or antidiagonally.
Terms
- a(0) =8a(1) =25a(2) =119a(3) =484a(4) =2117a(5) =9025a(6) =38936a(7) =167281a(8) =720083a(9) =3097600a(10) =13329209a(11) =57350329a(12) =246768392a(13) =1061782225a(14) =4568619071a(15) =19657722436a(16) =84582794333a(17) =363940725625
External references
- oeis: A181207