Number of (n+1)X(5+1) 0..1 arrays with every 2X2 subblock having a single 1 or two 1s on the same edge or main diagonally.
A251289
Number of (n+1)X(5+1) 0..1 arrays with every 2X2 subblock having a single 1 or two 1s on the same edge or main diagonally.
Terms
- a(0) =297a(1) =2193a(2) =12954a(3) =94706a(4) =577942a(5) =4109933a(6) =25654154a(7) =178853600a(8) =1134888362a(9) =7800498387a(10) =50090230067a(11) =340784782367
External references
- oeis: A251289