Number of 3 X n matrices containing a 1 in the top left entry, all entries are integer values and adjacent entries differ by at most 1.
A138978
Number of 3 X n matrices containing a 1 in the top left entry, all entries are integer values and adjacent entries differ by at most 1.
Terms
- a(0) =9a(1) =121a(2) =1665a(3) =22979a(4) =317259a(5) =4380445a(6) =60481881a(7) =835088891a(8) =11530288395a(9) =159201677509
External references
- oeis: A138978