63522619
domain: N
Appears in sequences
- Number of n X n binary arrays with all ones connected only in a 1000-1010-1111 pattern in any orientation.at n=9A146807
- Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1000-1010-1111 pattern in any orientation.at n=20A146809
- Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 1000-1010-1111 pattern in any orientation.at n=21A146809