47338031953
domain: N
Appears in sequences
- Number of n X n binary arrays with all ones connected only in a 2X4 tee 1,1 1,2 1,3 2,3 1,4 in any orientation.at n=9A146038
- Number of n X n binary arrays symmetric under horizontal and vertical reflection with all 1's connected only in a 2 X 4 tee 1,1 1,2 1,3 2,3 1,4 in any orientation.at n=20A146040
- Number of n X n binary arrays symmetric under horizontal and vertical reflection with all 1's connected only in a 2 X 4 tee 1,1 1,2 1,3 2,3 1,4 in any orientation.at n=21A146040