Number of (n+1) X 3 0..4 arrays with every 2 X 2 subblock summing to 8.
A183645
Number of (n+1) X 3 0..4 arrays with every 2 X 2 subblock summing to 8.
Terms
- a(0) =325a(1) =1001a(2) =3445a(3) =12785a(4) =50125a(5) =205001a(6) =867205a(7) =3771425a(8) =16784125a(9) =76156601a(10) =351254965a(11) =1642635665a(12) =7771818925a(13) =37132805801a(14) =178875434725a(15) =867570709505
External references
- oeis: A183645