# A345245 (b-file synthesized from sequence entry) 1 1 2 1 3 4 4 10 5 36 6 135 7 504 8 2000 9 8072 10 33099 11 138132 12 582930 13 2485412 14 10692219 15 46340984 16 202175344 17 887175352 18 3913032212 19 17338327848 20 77141235796 21 344491008296 22 1543591834950 23 6937783312048 24 31270131096820 25 141305878384704 26 640065923118435 27 2905664234243052 28 13217615913137250