Number of 3 X n binary arrays without the pattern 0 0 diagonally or vertically.
A188707
Number of 3 X n binary arrays without the pattern 0 0 diagonally or vertically.
Terms
- a(0) =5a(1) =21a(2) =90a(3) =387a(4) =1665a(5) =7164a(6) =30825a(7) =132633a(8) =570690a(9) =2455551a(10) =10565685a(11) =45461772a(12) =195611805a(13) =841673709a(14) =3621533130a(15) =15582644523a(16) =67048623225a(17) =288495182556
External references
- oeis: A188707