309016domain: NAppears in sequencesBackward iterated ( limited ) Fibonacci approximation: A000045.at n=24A116557Number of (n+1) X 5 0..3 arrays with every 2 X 2 subblock summing to 6.at n=6A183637Number of (n+1) X 8 0..3 arrays with every 2 X 2 subblock summing to 6.at n=3A183640