Number of (n+2)X3 0..2 matrices with each 3X3 subblock having the same population.
A224654
Number of (n+2)X3 0..2 matrices with each 3X3 subblock having the same population.
Terms
- a(0) =19683a(1) =67797a(2) =233523a(3) =804357a(4) =3295269a(5) =13499973a(6) =55306341a(7) =259112385a(8) =1213951725a(9) =5687411625a(10) =29431160325a(11) =152300071665a(12) =788120875053
External references
- oeis: A224654