1/6 of the number of ways of 3-coloring a 4 X n grid.
A078100
1/6 of the number of ways of 3-coloring a 4 X n grid.
Terms
- a(0) =4a(1) =27a(2) =187a(3) =1302a(4) =9075a(5) =63267a(6) =441090a(7) =3075255a(8) =21440547a(9) =149482638a(10) =1042187067a(11) =7266087315a(12) =50658875658a(13) =353191693599
External references
- oeis: A078100