130812domain: NAppears in sequencesJacobi form of weight 12 and index 1 associated with a nonexistent Niemeier lattice of Coxeter number 1.at n=8A056948Number of (n+2)X(1+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010101.at n=12A260834