Number of (n+2)X4 0..2 matrices with each 3X3 subblock having the same population.
A224655
Number of (n+2)X4 0..2 matrices with each 3X3 subblock having the same population.
Terms
- a(0) =67797a(1) =171315a(2) =444933a(3) =1221507a(4) =4334499a(5) =15889635a(6) =60542019a(7) =273661767a(8) =1250235675a(9) =5772573567a(10) =29686552515a(11) =152970689943a(12) =789762091707
External references
- oeis: A224655