133344domain: NAppears in sequencesThe number of n-step self avoiding walks on a 3D cubic lattice confined inside a box of size 2x2x2 where the walk starts at the center of the box.at n=12A337021a(1) = 1, then subtract, add, and multiply 2, 3, 4; 5, 6, 7; ... in that order.at n=15A362269