122946domain: NAppears in sequencesNumber of orbits of size n in vertex graph of Lucas cube Lambda_n.at n=47A250114Number of (n+2)X(2+2) 0..3 arrays with every 3X3 subblock row and column sum 1 3 6 or 8 and every diagonal and antidiagonal sum not 1 3 6 or 8.at n=12A252009