146552domain: NAppears in sequencesCoordination sequence for 4-dimensional face-centered cubic orthogonal lattice.at n=28A008529Triangle T, read by rows, such that the matrix square shifts T left one column and up one row, with T(0,0)=T(1,0)=1 and T(n,0)=0 for n>1 and T(n,n)=1 for n>=0.at n=39A098542