# A125328 (b-file synthesized from sequence entry) 0 1 1 18 2 114 3 582 4 3466 5 20938 6 129642 7 813586 8 5161418 9 33012690 10 212531034 11 1375465890 12 8940439306 13 58322410658 14 381620168176 15 2503490173972 16 16459423126778 17 108417784128158 18 715300322712000 19 4725856346389840