# A012819 (b-file synthesized from sequence entry) 0 1 1 1 2 21 3 837 4 60585 5 7048489 6 1201350909 7 282008557677 8 87244033155153 9 34402407033544657 10 16843665951415524837 11 10025536600336492439061 12 7129473645057562412172537 13 5969969671887834658217008633