Half the number of (n+2) X 3 binary arrays with no 3 X 3 subblock having a sum equal to any horizontal or vertical neighbor 3 X 3 subblock sum.
A187956
Half the number of (n+2) X 3 binary arrays with no 3 X 3 subblock having a sum equal to any horizontal or vertical neighbor 3 X 3 subblock sum.
Terms
- a(0) =256a(1) =1408a(2) =7744a(3) =42592a(4) =240064a(5) =1353088a(6) =7626496a(7) =42683776a(8) =238891456a(9) =1337021536a(10) =7498109248a(11) =42049915264a(12) =235818833152
External references
- oeis: A187956