61973516
domain: N
Appears in sequences
- Half the number of (n+1) X 2 0..3 arrays with every 2 X 2 subblock having at most one duplicate clockwise edge difference.at n=5A210293
- Half the number of (n+1)X7 0..3 arrays with every 2X2 subblock having at most one duplicate clockwise edge difference.at n=0A210298
- T(n,k)=Half the number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having at most one duplicate clockwise edge difference.at n=15A210300
- T(n,k)=Half the number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having at most one duplicate clockwise edge difference.at n=20A210300