Number of n X 2 binary arrays without the pattern 0 1 0 diagonally, vertically or horizontally.
A188501
Number of n X 2 binary arrays without the pattern 0 1 0 diagonally, vertically or horizontally.
Terms
- a(0) =4a(1) =16a(2) =49a(3) =144a(4) =441a(5) =1369a(6) =4225a(7) =12996a(8) =40000a(9) =123201a(10) =379456a(11) =1168561a(12) =3598609a(13) =11082241a(14) =34128964a(15) =105103504a(16) =323676081a(17) =996791184a(18) =3069714025a(19) =9453478441a(20) =29112890625a(21) =89655929476a(22) =276104007936a(23) =850288696321
External references
- oeis: A188501