Number of (n+2)X5 0..2 matrices with each 3X3 subblock having the same population.
A224656
Number of (n+2)X5 0..2 matrices with each 3X3 subblock having the same population.
Terms
- a(0) =233523a(1) =444933a(2) =886707a(3) =1937061a(4) =5858757a(5) =18982053a(6) =66729285a(7) =289928673a(8) =1289127501a(9) =5861358153a(10) =29949101541a(11) =153652496913a(12) =791419026573
External references
- oeis: A224656